4-letter words that end in ss
- poss — to wash (clothes) by agitating them with a long rod, pole, etc
- puss — face: She smacked him in the puss.
- riss — the third major Pleistocene glaciation in Alpine Europe
- ross — Betsy Griscom [gris-kuh m] /ˈgrɪs kəm/ (Show IPA), 1752–1836, maker of the first U.S. flag.
- russ — a Russian.
- sass — impudent or disrespectful back talk: Both parents refuse to take any sass from their kids.
- sess — an impost or tax
- soss — a sloppy person or thing
- spss — Statistical Package for the Social Sciences
- suss — Chiefly British Slang. to investigate or figure out (usually followed by out).
- tass — a news-gathering agency of the former Soviet Union: merged with an alternative news service to form Itar-Tass (Russian Information Telegraph Agency).
- tess — a female given name, form of Theresa.
- toss — Terminal Oriented Social Science
- wiss — (archaic) To know, to understand.
- wuss — a weakling; wimp.
- yass — (US, dialectal) eye dialect of yes.