sit vs baby-sit

sit and baby-sit both are verbs.

Word	Noun	Adjective	Verb	Adverb
sit	No	No	Yes	No
baby-sit	No	No	Yes	No

As verbs, sit and baby-sit are synonyms defined as:

Other synonyms of sit include babysit.

sit (verb)	baby-sit (verb)
serve in a specific professional capacity	work or act as a baby-sitter
be in a position in which one's upper body is largely upright and supported by one's backside	take watchful responsibility for
show to a seat; assign a seat for
take a seat
be in session
sit and travel on the back of animal, usually while controlling its motions
assume a posture as for artistic purposes
work or act as a baby-sitter
be around, often idly or without specific purpose
be located or situated somewhere