pension vs pension off

pension is a noun but pension off is not a noun.

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

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

pension (noun)	pension off (noun)
a regular payment to a person that is intended to allow them to subsist without working

pension (verb)	pension off (verb)
grant a pension to	grant a pension to
	let go from employment with an attractive pension