12-letter words containing g, o, s, i
- withholdings — Plural form of withholding.
- womb-leasing — bearing a child on behalf of a couple unable to have a child; surrogacy
- wood's light — ultraviolet light filtered through glass containing nickel oxide, used in detecting forgeries, in detecting microbes in hair, etc.
- woodcarvings — Plural form of woodcarving.
- woodshedding — Present participle of woodshed.
- wordsmithing — Present participle of wordsmith.
- work-sharing — an arrangement whereby one full-time job may be carried out by two people working part time
- young fustic — fustet (def 2).
- youngberries — Plural form of youngberry.
- zoomastigote — A zooflagellate: a heterotrophic flagellate of the phylum Zoomastigophora.
- zoosporangia — Plural form of zoosporangium.
- zygapophysis — one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.