や、やいなや => As soon as A, B N1
Time, Situation
いまや => now, these days N3
Compare
や => ... or... N5
Line up, list
や否や => as soon as; the moment ~ N1
や => and; or N5
どうやら~そうだ  => look like; appear; seem; feel like N2
Speculation
もはや~ない => no longer; not anymore N1
Invariant
やっと => Eventually... N4
~やまない      => always; never stop; can't help but ~ N1
~やまない => always; never stop; can't help but ~ N1
Emotional
やすい => A is easy to do N4
Verb Suffixes
…とやら => heard that~ N2
Heard