breastfeed vs suckle

breastfeed and suckle both are verbs.

Word	Noun	Adjective	Verb	Adverb
breastfeed	No	No	Yes	No
suckle	No	No	Yes	No

As verbs, breastfeed and suckle are synonyms defined as:

Other synonyms of breastfeed include give suck, lactate, nurse, suck, wet-nurse.

breastfeed (verb)	suckle (verb)
give suck to	give suck to
	suck milk from the mother's breasts