pentad vs Little Phoebe

pentad and Little Phoebe both are nouns.

Word	Noun	Adjective	Verb	Adverb
pentad	Yes	No	No	No
Little Phoebe	Yes	No	No	No

As nouns, pentad and Little Phoebe are synonyms defined as:

pentad and Little Phoebe: the cardinal number that is the sum of four and one

Other synonyms of pentad include 5, cinque, fin, five, fivesome, Phoebe, quint, quintet, quintuplet, V.

pentad (noun)	Little Phoebe (noun)
the cardinal number that is the sum of four and one	the cardinal number that is the sum of four and one