小山 is read as こやま (koyama) and means hill.
こやま
koyama
やまごや
mountain hut (esp. one that offers lodging to climbers and hikers)
こさめ
light rain
こびと
child
しょうじん
しょうにん
しょうがくせい
elementary school student
しょうがっこう
primary school
おがわ
stream
ちいさい
low (e.g. sound)
こばなし
anecdote
しょうがく
school for children over eight years old in ancient China
しょうこく
small country