9-letter words containing o, r, s, m
- washrooms — Plural form of washroom.
- waveforms — Plural form of waveform.
- wearisome — causing weariness; fatiguing: a difficult and wearisome march.
- whipworms — Plural form of whipworm.
- windstorm — a storm with heavy wind but little or no precipitation.
- wireworms — Plural form of wireworm.
- womaniser — Non-Oxford British standard spelling of womanizer.
- woodworms — Plural form of woodworm.
- wordsmith — an expert in the use of words.
- workmates — Plural form of workmate.
- workrooms — Plural form of workroom.
- wormcasts — Plural form of wormcast.
- wormholes — Plural form of wormhole.
- worrisome — worrying, annoying, or disturbing; causing worry: a worrisome problem.
- xerostoma — an abnormal lack of saliva, dryness of the mouth
- zygosperm — (botany) A spore formed by the union of the contents of two similar cells, either of the same or of distinct individual plants. Zygosperms are found in certain orders of alg\u00e6 and fungi.