ないものでもない/ないでもない => A is not completely impossible N1
Need/Requirements
というものではない => Not sure, not means N2
Information, Report
ものの => Although A... N2
Contrast,Surprise
とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange
うものなら => If A, bad/unfortunate result B N1
Conditional, While
ぐらいのものだ => Only A N1
(Not)only , (Not) even
たもの => Used to N3
Sentence Endings
もの => Because of A N2
Reason, Result, Response
ものなら => A can't be done, but if it could, then B N2
Miscellaneous
のもと/をもと => Based in/on A N2
Based, Focused, Depending on
たいものだ => Want to A N2
Will, Decision, “Doing”
ものを => Although A, (unfortunate result) B N1
Contrast/Surprise