Answer:

pus

Answer	Crossword Clue
PUS	Icky ooze
PUS	Sore subject?
PUS	Boil fluid

PUS	Hindu month
PUS	Foot: Suffix
PUS	What an oozy thing might ooze
PUS	Abscess stuff

Crossword

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