There are 574 11-letter words that end with 'ts'.
Note: These 574 11-letter words that end with 'ts' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with sts, nts, ets, ats, its, ots, rts, cts, uts, hts, lts, fts, pts, tts, xts, bts, wts, dts, yts.
3-letter words end with 'ts' (2)