indulge vs baby

indulge is not a noun while baby is a noun.

Word	Noun	Adjective	Verb	Adverb
indulge	No	No	Yes	No
baby	Yes	No	Yes	No

As verbs, indulge and baby are synonyms defined as:

Other synonyms of indulge include cocker, coddle, cosset, featherbed, mollycoddle, pamper, spoil.

indulge (noun)	baby (noun)
	a project of personal concern to someone
	a very young mammal
	a very young child (birth to 1 year) who has not yet begun to walk or talk
	the youngest member of a group (not necessarily young)
	an immature childish person
	an unborn child; a human fetus
	a beloved person; used as terms of endearment

indulge (verb)	baby (verb)
yield (to); give satisfaction to	treat with excessive indulgence
enjoy to excess
treat with excessive indulgence
give free rein to