- cellule
- cloud
- clouded
- clue
- clued
- collude
- colluded
- could
- coulee
- coup
- coupe
- couple
- coupled
- cuddle
- cuddled
- cued
- cull
- culled
- cupped
- decouple
- decoupled
- deduce
- deduced
- delude
- deluded
- deuce
- dude
- duded
- duel
- dueled
- dull
- dulled
- dupe
- duped
- duple
- educe
- educed
- elude
- eluded
- loud
- loupe
- lull
- lulled
- lulu
- occlude
- occluded
- puce
- puddle
- puddled
- pule
- puled
- pull
- pulled
- pulp
- pulped
- updo
- upped