WERE
WEREGILD
WEREGILDS
WEREWOLF
WEREWOLFERIES
WEREWOLFERY
WEREWOLFISH
WEREWOLFISM
WEREWOLFISMS
WEREWOLVES
WERGELD
WERGELDS
WERGELT
WERGELTS
WERGILD
WERGILDS
WERNERITE
WERNERITES
WERO
WEROS
WERRIS
WERRISES
WERSH
WERSHER
WERSHEST
WERT
WERWOLF
WERWOLFISH
WERWOLVES

29 words start with WER.