Vocabulary consisting only from characters you are able to read
種々
しゅじゅ
variety; varietymix
頭
かしら
(1)head/ (2)top/ (3)hair (on one's head)/ (4)top structural component of a kanji/(P) leda1
課
か
(1)lesson/ (2)section (in an organization)/division/department/(ctr) (3)counter for lessons and chapters (of a book)/(P) leda1
観察
かんさつ
observation, surveysuru
静けさ
しずけさ
stillness/silence/hush/calm/serenity/(P)mix
億
おく
(num) 100,000,000, hundred millionjlpt4
関
せき
barrier, gate; (hon) (abbr) honorific added to names of makuuchi and juryo division sumo wrestlersmix