suffice vs function

suffice is not a noun while function is a noun.

Word	Noun	Adjective	Verb	Adverb
suffice	No	No	Yes	No
function	Yes	No	Yes	No

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

Other hyponyms of suffice include bridge over, keep going, tide over, go a long way, serve, measure up, qualify, go around.

suffice (noun)	function (noun)
	the actions and activities assigned to or required or expected of a person or group
	what something is used for
	a set sequence of steps, part of larger computer program
	a formal or official social gathering or ceremony of people
	a formal or official social gathering or ceremony
	(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
	a relation such that one thing is dependent on another

suffice (verb)	function (verb)
be sufficient; be adequate, either in quality or quantity	perform duties attached to a particular office or place or function
	perform as expected when applied
	serve a purpose, role, or function