dearth vs famine

dearth and famine both are nouns.

Word	Noun	Adjective	Verb	Adverb
dearth	Yes	No	No	No
famine	Yes	No	No	No

As nouns, dearth and famine are synonyms defined as:

Other synonyms of dearth include shortage.

dearth (noun)	famine (noun)
an insufficient quantity or number	a severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
an acute insufficiency	an acute insufficiency