isometry vs ontogeny

isometry and ontogeny both are nouns.

Word	Noun	Adjective	Verb	Adverb
isometry	Yes	No	No	No
ontogeny	Yes	No	No	No

isometry (noun)	ontogeny (noun)
equality of measure (e.g., equality of height above sea level or equality of loudness etc.)	(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level
equality of elevation above sea level
a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points
the growth rates in different parts of a growing organism are the same