SPAY
VERBS
1557 — GELD to spay a female animal → obs.
1601 — SPLAY to spay female animals
1612 — SPADE to spay → obs.
1671 — SPAVE to spay → Sc. & Eng. dial.
1821 — ALTER to geld or spay an animal → Aust. & US
1886 — DESEXUALIZE to castrate or spay
1903 — NEUTER to castrate or spay an animal
1905 — DESEX to castrate or spay an animal
1931 — CHANGE to spay a domestic animal → Amer. dial.
Lexicophilia 