やなんか => Something like... N3
Vague
さん => Mr., Mrs., Ms. N5
Respectful, humble
~なさんな => (Please) do not, Do not, Don't (prohibitive) N1
Ban
や => ... or... N5
Line up, list
させてください/させてもらえますか/させてもらえませんか => please let me do N3
や否や => as soon as; the moment ~ N1
くださいませんか => Could(Would) you please N4
や、やいなや => As soon as A, B N1
Time, Situation
や => and; or N5
やっと => Eventually... N4
て下さいませんか => Please do A (polite) N5
Asking and Telling
いささか => a bit N3
Evaluate