かなにか => or something N4
Demonstrate by example
にほかならない/からにほかならない => nothing but; none other than ~ N2
なにか => something/anything/whatever N4
Vague
なにか => have something that (Status) N4
Vague
か~ないかのうちに => right after; as soon as N2
なにかしら => I wonder (feminine) N4
Vague
なにか => What does it mean? (Interrogation) N4
Vague
やなにか => the same, equivalent to N4
Demonstrate by example
なにかと => one way or another N4
Add
たしかに/なるほど~かもしれない => might; perhaps N3
Speculation
にかかっては => For... N1
Necessity, obligation
いかに…か => no matter how N3
Extreme level