13-Letter Scrabble Words Starting With O

13-Letter Scrabble Words Starting With O: 524 valid words are waiting to be found — useful whether you're stuck on a crossword, solving Wordle, or hunting for a Scrabble play. The biggest scorers here are OBJECTIVIZING (37 pts), OXYRHYNCHUSES (34 pts), OVEREMPHASIZE (32 pts), OVERCIVILIZED (31 pts) and OXYHEMOGLOBIN (31 pts). Scrabble and Words With Friends points are shown for every word, each linking to its full definition — great for word scramble practice, anagram solving, or double-checking a Wordle guess. Also try Scrabble words beginning with Q, 14 letters.

524Total Words
20.3Avg. Scrabble Points
1"O" Tile Value
37Top Score (OBJECTIVIZING)

13-Letter Scrabble Words Starting With O: Highest-Value Words

13-letter Scrabble words starting with O with the highest point values start this list — the strongest option if you're solving a puzzle and need it, whether that's Scrabble, Words With Friends, or an anagram challenge. Also try front-letter T words, 13 letters.

WordScrabbleWWF
objectivizing3744
oxyrhynchuses3433
overemphasize3234
overcivilized3135
oxyhemoglobin3134
overequipping3036
objectionably2935
objectivistic2935

13-Letter Scrabble Words Starting With O — All 524 of Them

Every 13-letter Scrabble word starting with O that we could find is in this one list — useful whether you're stuck on a crossword clue, checking a Wordle guess, or hunting for your next Scrabble play. Also try words with A and K.

Showing the top 300 by Scrabble score out of 524 total.

objectivizing 37oxyrhynchuses 34overemphasize 32overcivilized 31oxyhemoglobin 31overequipping 30objectionably 29objectivistic 29overadvertize 29overanalyzing 29overbejeweled 29overexcitedly 29overqualified 29objectivating 28objectivising 28ophidiophobic 28orthopyroxene 28overdramatize 28overfertilize 28overglamorize 28overzealously 28oxyacetylenes 28objectivation 27objectiveness 27objectivities 27occidentalize 27ochlophobiacs 27onychophagies 27onychophagist 27ophthalmology 27opisthography 27orchesography 27overexcitable 27overexpanding 27overidealized 27overorganized 27ovoviviparity 27objectionable 26onychophorans 26ophidiophobes 26ophidiophobia 26optimizations 26orthogonalize 26overexercised 26overexplained 26overexploited 26overflowingly 26overidealizes 26overorganizes 26overpackaging 26overutilizing 26overwithholds 26officeholders 25ombudsmanship 25omnisexuality 25onychomancies 25ophiomorphous 25opisthobranch 25orthocephalic 25overachieving 25overadjusting 25overclockings 25overexercises 25overexpansion 25overexposures 25overextending 25overexuberant 25overwhelmings 25obliquenesses 24offhandedness 24omoplatoscopy 24openmouthedly 24opisthographs 24opsonizations 24orthohydrogen 24oscillography 24osteichthyans 24outorganizing 24overachievers 24overamplified 24overbleaching 24overcanopying 24overcarefully 24overshadowing 24oversupplying 24overweighting 24ovoviviparous 24observability 23obstructively 23oceanographic 23ophiophilists 23orchidomaniac 23organizations 23orientalizing 23ornithomorphs 23ornithophobia 23orthoepically 23orthopinakoid 23otherworldish 23overanxieties 23overchargings 23overcommitted 23overcrammings 23overcrowdings 23overdeveloped 23overdiversity 23overembellish 23overemphasise 23overexertions 23overextension 23overfavouring 23overfulfilled 23overharvested 23overlavishing 23overreckoning 23overscheduled 23overshowering 23overstaffings 23overtalkative 23overtaxations 23overthwarting 23overweathered 23overweeningly 23oystercatcher 23obliviscences 22obnoxiousness 22ochlocratical 22octosyllabics 22oecumenically 22offensiveness 22ommatophorous 22opacification 22openheartedly 22opprobriously 22orchiectomies 22organographic 22organotherapy 22oropharyngeal 22orthognathism 22orthographers 22orthographies 22orthographist 22ototoxicities 22outpoliticked 22overbearingly 22overborrowing 22overbreathing 22overburthened 22overcivilised 22overconfident 22overcredulity 22overfocussing 22overinforming 22overlaunching 22overlordships 22overmedicated 22overoptimisms 22overpredicted 22overprescribe 22overproducing 22overprogramed 22overreachings 22overschedules 22overservicing 22overstretched 22oversubscribe 22overviolently 22oxaloacetates 22obmutescences 21oceanographer 21odontophobias 21oecologically 21officialities 21officiousness 21oleandomycins 21omnicompetent 21omnifariously 21orchidomanias 21oreographical 21ornithichnite 21ornithischian 21orthopaedical 21orthostichies 21orthostichous 21oscillographs 21oscilloscopic 21outperforming 21overabundance 21overbalancing 21overconcerned 21overconsuming 21overcorrected 21overdemanding 21overdeviating 21overdocuments 21overdominance 21overdramatics 21overfatiguing 21overgoverning 21overimpressed 21overleveraged 21overmedicates 21overpicturing 21overpopulated 21overpreparing 21overprocessed 21overpromising 21overpromoting 21overprotected 21oversamplings 21overslaughing 21overstability 21overstretches 21overtightened 21obsolescently 20obstetrically 20obtainability 20obtemperating 20occasionality 20occidentalism 20occlusiveness 20octocentenary 20octosyllables 20odoriferously 20olfactometers 20ombudspersons 20omniformities 20onomastically 20opisthosomata 20orchidologies 20orchidologist 20originatively 20ornithomantic 20orthognathies 20orthognathous 20orthogonality 20orthotropisms 20ovariectomies 20overabounding 20overadvertise 20overambitious 20overanalysing 20overbuildings 20overburdening 20overconscious 20overconstruct 20overdecorated 20overdependent 20overdirecting 20overeducating 20overevaluated 20overhonouring 20overimpresses 20overinflating 20overingenuity 20overinvesting 20overleavening 20overlengthens 20overnourished 20overoptimists 20overpedalling 20overpersuaded 20overpopulates 20overprocesses 20overresponded 20overspeculate 20overspendings 20overspreading 20oversweetened 20overwintering 20overwrestling 20obscurantisms 19obsolescences 19occasionalism 19odontophorans 19odontophorous 19olfactologies 19olfactologist 19oligopeptides 19oligotrophies 19omnipotencies 19omnipresences 19onomatopoetic 19ontogenically 19ontologically 19opinionatedly 19oppignerating 19oppignorating 19opportunistic 19orchestrating 19orgiastically 19ornithogalums 19orthopaedists 19orthopteroids 19orthotungstic 19oscilloscopes 19osteographies 19ostreophagies 19ostreophagous 19outdoorswoman 19

13-Letter Scrabble Words Starting With O: Lowest-Value Words

13-letter Scrabble words starting with O that won't win the game on points alone are listed here — still valid plays worth knowing when your rack is short on options, or you're padding out a word scramble roster.

onerousnesses 13orientalities 13orientational 13odorousnesses 14orderlinesses 14organisations 14orientalising 14orienteerings 14

Frequently Asked Questions About 13-Letter Scrabble Words Starting With O

How many 13-letter Scrabble words start with O?

524 valid 13-letter Scrabble words starting with O, all checked against the Words With Friends dictionary too.

What is the highest-scoring 13-letter Scrabble word starting with O?

OBJECTIVIZING is the highest-scoring 13-letter word starting with O, worth 37 Scrabble points (44 in Words With Friends).

Are there Scrabble hook words starting with O?

Yes — any word above can work as a front hook, extending a shorter word by adding O to the front. The O tile is worth 1 point in Scrabble, a common letter that shows up across most racks.

Can I unscramble a jumble of letters instead?

Yes — if you have a jumble of letters rather than a fixed length and letter pattern, try the word unscrambler to find every valid word hiding in them, complete with Scrabble and Words With Friends points.