Vocabulary consisting only from characters you are able to read
分の
bunno
denominator bun no numerator (in writing common fractions), X Yth's (Y bun no X)jlpt3, math
音符
onpu
(1)musical note, note symbol, (2)phonetic symbol (inc. the kanji and kana-doubling symbols, vowel-lengthening symbol, etc.), (3)part of a kanji for which the role is primarily to represent the pron ongaku
四分音符
šibuonpu
quarter note, crotchet; quarter note, crotchetongaku