CUD
CUDBEAR
CUDBEARS
CUDDEN
CUDDENS
CUDDIE
CUDDIES
CUDDIN
CUDDINS
CUDDLE
CUDDLED
CUDDLER
CUDDLERS
CUDDLES
CUDDLESOME
CUDDLIER
CUDDLIEST
CUDDLING
CUDDLY
CUDDY
CUDGEL
CUDGELED
CUDGELER
CUDGELERS
CUDGELING
CUDGELLED
CUDGELLER
CUDGELLERS
CUDGELLING
CUDGELLINGS
CUDGELS
CUDGERIE
CUDGERIES
CUDS
CUDWEED
CUDWEEDS

36 words start with CUD.