twenty; 20

A burden, charge, or responsibility.

duplicity, being two-faced or double-dealing

(archaic, possibly obsolete) two days, a two-day period

Kyūjitai form of 双子: twins

(organic chemistry) phthalein

(organic chemistry) naphthalene

(organic chemistry) naphthalene

(organic chemistry) phthalazine

to see; to look; to watch; to view; to observe / to look over; to look on; to assess; to examine; to judge / to look after; to keep an eye on; to take care of / to view (e.g. flowers, movie)