ともなく/ともなしに => somehow; without knowing; without thinking; unconsciously​ ~ N1
~にもなく => ~different from N1
Compare
少なくとも => at least ~ N2
~とおもうまもなく => Suddenly~ N1
Right after...
昼となく夜となく => day and night N1
Continuous
に[基「もと」]づいて/に[基「もと」]づき/に[基「もと」]づく => Based on A N2
Based, Focused, Depending on
ともなく,ともなしに => Doing A without thinking about it/intending to; To do A mindlessly N1
Will, Decision, Doing
くもなんともない => not in the least; nothing like that N3
Base, base
~といえなくもない => It can be said that ~ N1
Concession
なくともよい => don't need to do something ... N2
Necessity, obligation
とはくらべ[物「もの」]にならない => It's no match for A N1
Comparison/ Exchange
~になく => different from usual N1
Exception