යක්‍ෂ·භූතංවිද්‍යාව, n. demonology, යකුන් ගැන ඇති දැනගැන්ම.

යශය·යශස, n. good, happiness, prosperity, ශුභය.

යාපත්, a. for යහපත්.

යටි·කුරු, a. the downward, the under, the descending, inverted.

යක්·කටුස්සා, n. chameleon, lizard with five toes on the hind legs, otocryptis bivattata.

යව්, v. imp. 2nd pl. go ye &c., see යව.

යාමය, n. sixth part of a day of twenty-four hours, a watch comprising ten Sinhalese or four English hours; forbearance, ඉවසිල්ල, සංයාමය, cessation, නැවතීම.

යාකම,යාබදකම, n. contact, juxtaposition.

යවහන්, n. the combination of ය, ව, හ, න්: when any of these letters is the final letter of the lines of a stanza it is considered the rule that the penultimate letter also should be the same in all four lines.

යෞවනකම, n. youthfulness.