Vocabulary consisting only from characters you are able to read
見つける
mitsukeru
(1)to discover, to find (e.g. an error in a book), to come across, to detect, to spot, (2)to locate, to find (e.g. something missing), to find fault, (3)to be used to seeing, to be familiar with ichidan, jlpt3, jlpt4, verb, vtrans
上達
joutatsu
(1)improvement, advance, progress, (2)communication of opinions of the general populace to those of high rank suru
組成
sosei
composition, constitutionsuru