(arithmetic) product

a family register / membership, enrollment, registration in a group

counter for gemstones used as bearings in watches and other devices / (slang, electronics) counter for transistors, especially discrete ones

stone / needle made of stone / go stone / something solid but worthless / Short for 石見国 (Iwami-no-kuni): Iwami Province

to rise up / rainbow / to fall

a surname

boats or ships / one of two, one of a pair / birds, fish, or arrows

a section or paragraph of writing / (archaic) a chapter of a novel (particularly in the Edo period) / (Chinese theater) an act of a play

(linear algebra) inner product

buck-passing, blame-switching