Answer:

sexpert

Answer	Crossword Clue
SEXPERT	Masters, e.g.
SEXPERT	Johnson, e.g.
SEXPERT	Authority on birds and bees?

SEXPERT	Dr. Ruth, e.g.
SEXPERT	Dr. Ruth, for one

Crossword

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