Collocations for cow - noun

beef
dairy, milch (BrE,often figurative), milk (esp. AmE)
The region is treated as a milch cow by central government.

sacred (often figurative)
the sacred cow of free-market economics

herd

breed
milk
kill, slaughter

low, moo
chew the cud, graze
calve
The cow had difficulties calving.

byre (BrE), shed (usually cowshed)
pasture
chip (AmE), dung, manure, muck, pat (usually cowpat), patty (AmE), pie (AmE)
bell (usually cowbell)

a breed of cow