やなんか => Something like... N3
Vague
やなにか => the same, equivalent to N4
Demonstrate by example
おかげだ => thanks to... N3
Cause, reason
や => ... or... N5
Line up, list
(か)とおもうと / (か)とおもったら => just when; no sooner than ~ N2
Simultaneously
や否や => as soon as; the moment ~ N1
や、やいなや => As soon as A, B N1
Time, Situation
や => and; or N5
と[思「おも」]いきや => Even though A (was thought/expected), different result B N1
Contrast/Surprise
ずにはおかない/ないではおかない => Will definitely A, N1
Will, Decision, Doing
~というか~というか/~といおうか~といおうか      => (I’m not sure if it’s) A or B, Or perhaps, Or maybe N1
やっと => Eventually... N4