two; used before most measure words, with the number ten, or with large units like thousand or ten thousand; also used for things that come in pairs

classifier for flat objects such as mirrors, flags, or drums

flag; banner; emblem

[suffix] used to form nouns from noun, verb, or adjective roots

Dual or double character; acting in a two-faced or insincere manner

an excuse or pretense used to hide a true intention or motive