Answer:

agnail

Answer	Crossword Clue
AGNAIL	Finger affliction.
AGNAIL	Finger sore
AGNAIL	Felon's kin

AGNAIL	Whitlow
AGNAIL	Toe problem
AGNAIL	Finger inflammation

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.