tillage vs till

tillage and till both are nouns.

Word	Noun	Adjective	Verb	Adverb
tillage	Yes	No	No	No
till	Yes	No	Yes	No

tillage (noun)	till (noun)
the cultivation of soil for raising crops	a strongbox for holding cash
arable land that is worked by plowing and sowing and raising crops	a treasury for government funds
	unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together

tillage (verb)	till (verb)
	work land as by ploughing, harrowing, and manuring, in order to make it ready for cultivation