Words starting with P, then O, then U, ending in M
46 words fit this spine. They're all listed below. They start with P, end with M, and contain O then U in that order in between — not necessarily side by side.
Near misses
- paced doesn't fit: it starts with P but ends with D, not M.
- pachyderm doesn't fit: it has the right ends but no O in the middle.
6-letter words
podium, possum
7-letter words
pantoum, pomatum, protium
8-letter words
peponium, polonium, populism, pronotum
9-letter words
petroleum, plutonium, pollinium, polygonum, potassium
10-letter words
parapodium, periosteum, peritoneum, petrolatum, phyllodium, plasmodium, polemonium, postbellum, postpartum, primordium, procambium, promethium, propylaeum, proscenium, prostomium
11-letter words
pandemonium, pelargonium, phosphonium, pittosporum, podophyllum, positronium, proctodaeum, prothallium
12-letter words
perionychium, praseodymium, protactinium, prothalamium, pseudopodium
13-letter words
perichondrium, pococurantism
14-letter words
parajournalism
15-letter words
photojournalism