Words starting with O, then S, ending in E
175 words fit this spine. They're all listed below. They start with O, end with E, and contain S in that order in between — not necessarily side by side.
- oaks doesn't fit: it starts with O but ends with S, not E.
- objectionable doesn't fit: it has the right ends but no S in the middle.
3-letter words
ose
4-letter words
owse
5-letter words
obese
6-letter words
obtuse, onside, oppose, oscine, oscule, osmole, osmose, otiose, outsee
7-letter words
obelise, obscene, obscure, observe, obverse, offense, offside, onshore, onstage, oospore, operose, ossicle, ostiole, outside, outsize, outsole, oversee, overuse, oxidase, oxidise, oxysome, ozonise
8-letter words
obsolete, obstacle, oestrone, offshore, offstage, oilstone, oldstyle, omissive, oosphere, opalesce, opposite, opsonize, optimise, opuscule, organise, oscinine, osculate, otoscope, outcaste, outcurse, outhouse, outraise, outscore, outserve, outshame, outshine, outshone, outskate, outsmile, outsmoke, outsnore, outspoke, outstare, outstate, outsware, outswore, outwaste, overdose, oversale, oversave, overshoe, overside, oversize, oversure, overwise
9-letter words
oasthouse, obeisance, obfuscate, obsessive, obsolesce, obstinate, obtrusive, occlusive, odalisque, offensive, omissible, opposable, oscillate, ossifrage, ostensive, osteocyte, ostracise, ostracize, ostracode, otherwise, outhustle, outmuscle, outscheme, outsource, outstride, outstrode, overissue, oversauce, overscale, overshare, oversmoke, overstate
10-letter words
observable, observance, oligoclase, oppressive, orthoclase, ostensible, outpromise, outsparkle, outwrestle, overblouse, overbrowse, overdosage, overexpose, overinsure, overpraise, oversimple, overstride, overstrike, overstrode, oversubtle
11-letter words
obstructive, officialese, omniscience, opalescence, orchestrate, ostrichlike, outdistance, overconsume, overintense, overprecise, overpromise, overservice, ozonosphere
12-letter words
obsolescence, octosyllable, omnipresence, oscilloscope, overestimate, overexercise, overexposure, overissuance, overpersuade, overpressure, oversanguine, oversaturate
13-letter words
overadvertise, overassertive, overemphasize, overprescribe, oversensitive, overspeculate, overstimulate, oversubscribe
14-letter words
ophthalmoscope, orthophosphate, overaggressive, overcompensate, overspecialize, oxidoreductase
15-letter words
oligosaccharide, organophosphate, overorchestrate
16-letter words
overconservative
17-letter words
overindustrialize
Where this pattern came from
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Every word above follows this rule — see if you can find them under a clock.
How the rule works