偶 （グウ） even number, even, spouse, mate

偶然 （グウゼン） coincidence, chance, accident, fortuity, by chance, unexpectedly, accidentally, contingency

土偶 （ドグウ） earthen figure, clay figure, dogū, clay figurines from the late Jōmon period

配偶 （ハイグウ） combination, spouse, husband or wife, partner, married couple, husband and wife

偶 （たま） occasional, infrequent, rare

偶々 （たまたま） by chance, by accident, accidentally, happen to (be, do), unexpectedly, casually, occasionally, once in a while, now and then