equation vs leveling

equation and leveling both are nouns.

Word	Noun	Adjective	Verb	Adverb
equation	Yes	No	No	No
leveling	Yes	No	No	No

As nouns, leveling is a hypernym of equation; that is, leveling is a word with a broader meaning than equation:

Other hypernyms of equation include equalisation, equalization.

equation (noun)	leveling (noun)
the act of regarding as equal	the act of making equal or uniform
a mathematical statement that two expressions are equal	complete destruction of a building
a state of being essentially equal or equivalent; equally balanced	changing the ground level to a smooth horizontal or gently sloping surface