unsteadiness vs ricketiness

unsteadiness and ricketiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
unsteadiness	Yes	No	No	No
ricketiness	Yes	No	No	No

As nouns, unsteadiness and ricketiness are synonyms defined as:

unsteadiness and ricketiness: the quality of not being steady or securely fixed in place

unsteadiness (noun)	ricketiness (noun)
the quality of not being steady or securely fixed in place	the quality of not being steady or securely fixed in place
the quality of being unsteady--varying and unpredictable