~ぬうちに => While not....; before... N1
Time
~ぬまに => without one's knowledge, without noticing N1
Time
に相違ない => without a doubt; certain; sure N2
...ぬ => Not (Negative) N3
Emphasize negative meaning
ぬきにして/~ぬきで => Exclude A; Stop/end A; Without A N2
Miscellaneous
と違って => different to N2
Compare
に[相違「そうい」]ない => No doubt N2
Information, Report
に[違「ちが」]いない => Without a doubt, A N2
Information, Report
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
~ぬばかり => As if; as though N1
Situation
に関わらず/に関わりなく => in spite of; regardless of ~ N2
ぬく => Do A until the end/last N2
Will, Decision, “Doing”