Cervid and Roe deer

Cervid noun - Distinguished from Bovidae by the male's having solid deciduous antlers.

Roe deer and cervid are semantically related. In some cases you can replace phrase "Roe deer" with "Cervid", this terms are similar.

Roe deer noun - Small graceful deer of Eurasian woodlands having small forked antlers.

Cervid and roe deer are semantically related. You can use "Cervid" instead a noun phrase "Roe deer".