8-Letter Words That Start With: OSM There are 4 8-letter words, 0 8-letter phrases and 0 8-letter abbr's that start with OSM. Did you mean?All 8 letter wordsAll words starting with OSMEnding with OSMContaining OSMBest ScoringTop 10Top 10 (Default)Top 20Top 50Top 100 Scr US AllScrabble US (Default)Scrabble EUWW FriendsWordFeud All All (Default)VerbNounAdjectiveAdverbExpand?WordSave?LengthUsagePointsTypeosmosing811 verbvverb • To diffuse by osmosis. • To cause to diffuse by osmosis.osmundas811 nounnnoun • Royal fern, osmund (of genus Osmunda) Tip: Scrabble EU allows far more words than US! Also change the max length to see more words. All 8 Letter Words Most Common ASC Word A-ZWord Z-AMost Common ASC (Default)Most Common DESCScrabble Points Hi-LoScrabble Points Lo-HiWWF Points Hi-LoWWF Points Lo-HiWordFeud Points Hi-LoWordFeud Lo-HiWords (4)osmosing11osmundas11osmiates10osmitrol