There are 23 5-letter words that start with 'pro'.
| proas | probe | prods | proem | profs |
| progs | prole | promo | proms | prone |
| prong | proof | props | prose | proso |
| pross | prost | prosy | proud | prove |
| prowl | prows | proxy | ||
Note: These 23 5-letter words that start with 'pro' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with prot, prop, pros, proc, prof, prol, prov, prom, prog, prob, pron, prod, proj, pror, proo, prow, prox, proh, prou, proe, proa, prok, proi.
4-letter words start with 'pro' (8)