lot vs portion

lot and portion both are nouns.

Word	Noun	Adjective	Verb	Adverb
lot	Yes	No	Yes	No
portion	Yes	No	Yes	No

As nouns, lot and portion are synonyms defined as:

lot and portion: your overall circumstances or condition in life (including everything that happens to you)

Other synonyms of lot include circumstances, destiny, fate, fortune, luck.

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

Other hyponyms of lot include allot, assign, reallot, deal, apply, give, roll out.

lot (noun)	portion (noun)
anything (straws or pebbles etc.) taken or chosen at random	the allotment of some amount by dividing something
an unofficial association of people or groups	something less than the whole of a human artifact
any collection in its entirety	an individual quantity of food or drink taken as part of a meal
a parcel of land having fixed boundaries	assets belonging to or due to or contributed by an individual person or group
(often followed by `of') a large number or amount or extent	money or property brought by a woman to her husband at marriage
your overall circumstances or condition in life (including everything that happens to you)	something determined in relation to something that includes it
	your overall circumstances or condition in life (including everything that happens to you)

lot (verb)	portion (verb)
administer or bestow, as in small portions	give out
divide into lots, as of land, for example