Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
表面積 ひょうめんせき surface areamath
鳴く なく bark, purr, chirp, make sound (animal)doubutsu, jlpt5
練る ねる (1)to knead, to work over, (2)to polish up (e.g. a plan), (3)to drill, to train godan, verb, vtrans
失礼 しつれい impoliteness, Excuse me, Goodbyejlpt4
祭礼 さいれい (religious) festivalmix
無印 むじるし unlabeled, unbrandedmix
れつ queue/line/row/column/sequence/string/train/(P)jlpt3, ryokou
貝類 かいるい shellfishdoubutsu
伝記 でんき biography, life storymix
(1)stomach, (2)Chinese "stomach" constellation (one of the 28 mansions) hito