thirst for knowledge vs lust for learning

thirst for knowledge and lust for learning both are nouns.

Word	Noun	Adjective	Verb	Adverb
thirst for knowledge	Yes	No	No	No
lust for learning	Yes	No	No	No

As nouns, thirst for knowledge and lust for learning are synonyms defined as:

thirst for knowledge and lust for learning: curiosity that motivates investigation and study

Other synonyms of thirst for knowledge include desire to know.

thirst for knowledge (noun)	lust for learning (noun)
curiosity that motivates investigation and study	curiosity that motivates investigation and study