lettuce vs shekels

lettuce and shekels both are nouns.

Word	Noun	Adjective	Verb	Adverb
lettuce	Yes	No	No	No
shekels	Yes	No	No	No

As nouns, lettuce and shekels are synonyms defined as:

Other synonyms of lettuce include boodle, bread, cabbage, clams, dinero, dough, gelt, kale, lolly, loot, lucre, moolah, pelf, scratch, simoleons, sugar, wampum.

lettuce (noun)	shekels (noun)
leaves of any of various plants of Lactuca sativa	informal terms for money
any of various plants of the genus Lactuca
informal terms for money