11-letter words that end in o
- wild potato — a plant, Solanum jamesii, of the southwestern U.S., related to the edible cultivated potato.
- x-ray photo — a picture produced by exposing photographic film to X-rays
- yevtushenko — Yevgeny Alexandrovich [yiv-gye-nyee uh-lyi-ksahn-druh-vyich] /yɪvˈgyɛ nyi ʌ lyɪˈksɑn drə vyɪtʃ/ (Show IPA), born 1933, Russian poet.
- yo-heave-ho — a cry formerly used by sailors while pulling or lifting together in rhythm