[時「とき」] => At the time A N5
Time
と同時に => at the same time as; while; simultaneously ~ N2
Vた[時「とき」] => After having done something N5
Time
~且つ(かつ) => and N1
Line up, list
つつ => while; even though; despite ~ N2
つつ/つつも => While A, B. Although A (is beng done), B N2
Information, Report
につけ~につけ => each time, whenever, either way N2
べつに => separately N2
Description
からつくる/でつくる => made from; made with N4
ひとつ => A little N3
Repetition, habit
いつかの ... => Previously N4
Time
つつある => to be doing; to be in the process of doing ~ N2