さんか

Noun

 * 1)  participation
 * 2)  oxidation, combustion
 * 3)  catastrophe, disaster
 * 4)  subsidiary
 * 5)  obstetrics
 * 6)  song of praise, hymn, paean
 * 7)  mountain villa
 * 8)  Sanka, Japanese mountain nomads
 * 9)  the three summer months

Verb

 * 1)  oxidize, become oxidized
 * 2)  participate, join, take part