山頂: summit

三相: three phases

拡散: diffusion, scattering, spread / 核酸: nucleic acid

拡散: to scatter, to spread

三塁: third base / 酸類: acids

協賛: to support

共産: communism / 協賛: collaboration by companies or groups on events or projects

三五: fifteen; three and five; alternate for 琵琶 (biwa, “a traditional biwa lute”) / 参伍: mixing together, mixture / 珊瑚: coral / 産後: after childbirth, the postpartum period

uncle who is older than one's parents

maid