whelk (n.)
- abscess
- blain
- bleb
- blister
- boil
- bubo
- bulla
- bunion
- canker
- carbuncle
- chancre
- chancroid
- chilblain
- clam
- crab
- crawdad
- crawfish
- crayfish
- eschar
- felon
- fester
- festering
- fistula
- furuncle
- gathering
- gumboil
- kibe
- langouste
- lesion
- limpet
- lobster
- mussel
- oyster
- papule
- paronychia
- periwinkle
- petechia
- piles
- pimple
- pock
- polyp
- prawn
- pustule
- quahog
- rising
- scab
- scallop
- shellfish
- shrimp
- snail
- sore
- steamer
- stigma
- sty
- suppuration
- swelling
- tubercle
- ulcer
- ulceration
- wale
- weal
- welt
- wheal
- whelp
- whitlow
- wound