Vocabulary consisting only from characters you are able to read
国字
kokudži
(1)country's official writing system, native script, (2)kana, (3)kanji that originated in Japan (as opposed to China) bunpou
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
水力
suirjoku
hydraulic power, water powermix
何分
nanpun
how many minutestoki
春分の日
šunbunnohi
Vernal Equinox Holiday (Mar 20 or 21)toki