Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
eye, eyeballhito, jlpt5
四十 よんじゅう 40math
同時に どうじに coincident with, while, simultaneouslyjlpt3
語学 ごがく language studybunpou, gakkou
空間 くうかん spaceleda1, math
研究者 けんきゅうしゃ researchershigoto
会合 かいごう (1)meeting, assembly, (2)(chem) association, (3)(astronomical) conjunction suru
川上 かわかみ horní tok řekyleda1, shizen
分ける わける to divide/to separate/to make distinctions/to differentiate (between)/(P)ichidan, jlpt3, verb, vtrans
夕べ ゆうべ večerleda1, toki