Crossword Clue:

OSCULE an opening in a sponge also OSCULUM

AnswerCrossword Clue
HAREAn also ran in a fabled race.
DOLEAn also-ran in '76
DOLEAn also-ran in 1976
HAREAlso-ran in an Aesop fable
CCSAlso addresses, in an e-mail
CORSIAn also-ran in N. Y. C.