anal phase vs anal stage

anal phase and anal stage both are nouns.

Word	Noun	Adjective	Verb	Adverb
anal phase	Yes	No	No	No
anal stage	Yes	No	No	No

As nouns, anal phase and anal stage are synonyms defined as:

anal phase and anal stage: (psychoanalysis) the second sexual and social stage of a child's development during which bowel control is learned

anal phase (noun)	anal stage (noun)
(psychoanalysis) the second sexual and social stage of a child's development during which bowel control is learned	(psychoanalysis) the second sexual and social stage of a child's development during which bowel control is learned