~且つ(かつ) => and N1
Line up, list
もうひとつ…ない => (not) anymore N2
Description
つつ => while; even though; despite ~ N2
つつ/つつも => While A, B. Although A (is beng done), B N2
Information, Report
いつしか => before one knows N2
Accept, agree
じつをいうと => Frankly speaking N2
Story topic
つきましては => about; concerning; regarding N2
Cause, reason
しまつだ => Denotes negative results A N1
Reason, Result, Response
につけ~につけ => each time, whenever, either way N2
べつに => separately N2
Description
~Vた + せつな => moment, instant, juncture N1
Beyond expectations
つ~つ => Doing A and B (repeatedly, one after another) N1
Information, Report