Chinese words with 门 character meaning (HSK)

MEN2
gateway, doorway, opening, valve, switch, way2do smth, knack, family, house, relig. sect, school of thought, class; category, phylum /division (tax.), CL4 large guns; lessons, subj’s, branches of techn’gy

ZHUAN1, MEN2
specialist, specialized, customized

BU4, MEN2
department, branch, section, division

QIAO4, MEN2
a trick, an ingenious method, know-how, the knack (of doing sth)

RE4, MEN2
popular, hot, in vogue