phi correlation vs phi coefficient

phi correlation and phi coefficient both are nouns.

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

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

phi correlation and phi coefficient: 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 correlation include fourfold point correlation.

phi correlation (noun)	phi coefficient (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)