early childhood vs oral phase

early childhood and oral phase both are nouns.

Word	Noun	Adjective	Verb	Adverb
early childhood	Yes	No	No	No
oral phase	Yes	No	No	No

early childhood (noun)	oral phase (noun)
the early stage of growth or development	(psychoanalysis) the first sexual and social stage of an infant's development; the mouth is the focus of the libido and satisfaction comes from suckling and chewing and biting