公母倆

husband and wife

public / collectively owned / common / international (e.g. high seas, metric system, calendar) / make public / fair / just / Duke, highest of five orders of nobility 五等爵位[wu3 deng3 jue2 wei4] / honorable (gentlemen) / father-in-law / male (animal)

mother / elderly female relative / origin / source / (of animals) female

two (colloquial equivalent of 兩個|两个) / both / some

used in 伎倆|伎俩[ji4 liang3]