12 Letter Words Ending in OS

Browse 14 verified English 12 letter words that end with OS, including Chlorpyrifos, Exophthalmos, Opisthotonos, Metrosideros, Enophthalmos, Anophthalmos and Anigozanthos. Validated against official game lexicons for Scrabble, Wordle, crosswords, and daily writing, explore definitions and letter counts below.

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Starts with A
4 words
anophthalmos
anigozanthos
aegospotamos
antigropelos
Starts with C
1 words
chlorpyrifos
Starts with E
3 words
exophthalmos
enophthalmos
episthotonos
Starts with M
1 words
metrosideros
Starts with O
2 words
opisthotonos
opisthodomos
Starts with P
2 words
phytobenthos
phorusrhacos
Starts with R
1 words
rhenosterbos

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Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.