Answer:

FROTHS

Answer	Crossword Clue
FROTHS	Bubbles
FROTHS	Covers with foam
FROTHS	Yeasts.

FROTHS	Foams.
FROTHS	Beer heads
FROTHS	Foams
FROTHS	Effervesces
FROTHS	Gets a head
FROTHS	Forms a mass of small bubbles

Crossword

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