や、やいなや => As soon as A, B N1
Time, Situation
やる => Give B to A N4
Give and take advice
てやる => Do for someone N4
Give and take advice
やすい => A is easy to do N4
Verb Suffixes
やら~やら => A, B, ... (examples from a list) N2
Lists, Examples
てやまない => To (always) think/feel/hope/etc. A N1
Will, Decision, Doing
が[早「はや」]いか => As soon as A occurred, right after A N1
Time, Situation
と[思「おも」]いきや => Even though A (was thought/expected), different result B N1
Contrast/Surprise
~ている。 => Doing something temporarily. N5
Secondary Verbs
がっている => Want, like N4
Secondary Verb
あるいは => A or B N2
Lists, Examples
や => N1 and N2 (shows a non-exhaustive list of items), N1 or N2 (small amount) N5
Particles