send vs send off

send and send off both are verbs.

Word	Noun	Adjective	Verb	Adverb
send	No	No	Yes	No
send off	No	No	Yes	No

As verbs, send and send off are synonyms defined as:

Other synonyms of send include get off.

As verbs, send off is a hyponym of send; that is, send off is a word with a more specific, narrower meaning than send:

Other hyponyms of send include barge, railroad, despatch, dispatch, forward, send on.

send (verb)	send off (verb)
cause to be directed or transmitted to another place	transfer
transfer	throw, send, or cast forward
broadcast over the airwaves, as in radio or television	send away towards a designated goal
assign to a station
to cause or order to be taken, directed, or transmitted to another place
transport commercially
cause to go somewhere
cause to be admitted; of persons to an institution