phi coefficient vs phi correlation

phi coefficient and phi correlation both are nouns.

Word	Noun	Adjective	Verb	Adverb
phi coefficient	Yes	No	No	No
phi correlation	Yes	No	No	No

As nouns, phi coefficient and phi correlation are synonyms defined as:

phi coefficient and phi correlation: an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female)

Other synonyms of phi coefficient include fourfold point correlation.

phi coefficient (noun)	phi correlation (noun)
an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female)	an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female)