Vocabulary consisting only from characters you are able to read
Second derivative of x^2 is 2.math
場外
じょうがい
vně, mimo (dané místo)leda1
恐怖
きょうふ
fear, dread, dismay, terror, horror, scare, panicmix
厚い
あつい
thick, deep, cordial, kind, warm(hearted)adj, jlpt5
国字
こくじ
(1)country's official writing system, native script, (2)kana, (3)kanji that originated in Japan (as opposed to China) bunpou
複合
ふくごう
composite, combined, complexsuru
喜び
よろこび
joy/delight/rapture/pleasure/gratification/rejoicing/congratulations/felicitations/(P)jlpt3
豊富
ほうふ
abundance, wealth, plenty, bountymix
寝床
ねどこ
bed, berth, crib, cot, kipmix