age thirty; one's thirties
tanka; 31-mora Japanese poem
abacus; soroban; calculation (esp. of profit and loss); reckoning
god of evil; god who causes many disasters
soba eaten at the end of the month (esp. at the end of the year)
age eighty; one's eighties
age seventy; one's seventies
Eurasian wren (Troglodytes troglodytes); wren
new moon; lunar phase when the moon is completely invisible
age twenty; one's twenties
age ninety; one's nineties
many gods; many deities; many kami