Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
さんかくけい
ないかく
のはπである。
The sum of inner angles of a triangle is π.math
原油 げんゆ oilkagaku
他言する たごんする telling others/revealing to others/letting out a secretleda1, suru, verb
手作り てづくり ruční práce, ručně zhotovený výrobekleda1
いもうと younger sisterjlpt5, kazoku, leda1
考え方 かんがえかた způsob myšleníleda1
子午線 しごせん the meridianmix
古事記 こじき Records of Ancient Matters (Japan's oldest historical record); Records of Ancient Matters (Japan's oldest historical record)mix
自立心 じりつしん spirit of self-reliance, feeling of independencemix
返る かえる (1)to return, to come back, to go back, (2)to turn over, (suf,v5r) (3)(after the -masu stem of a verb) (to become) extremely, (to become) completely godan, verb, vintrans