Vocabulary consisting only from characters you are able to read
学会
がっかい
scientific society/academic meeting/academic conference/(P)gakkou
使う
つかう
(1)to use (a thing, method, etc.)/to make use of/to put to use/ (2)to use (a person, animal, puppet, etc.)/to employ/to handle/to manage/to manipulate/ (3)to use (time, money, etc.)/to spend/to consu godan, jlpt5, leda1, verb, vtrans
入門書
にゅうもんしょ
primer, manual, introductory bookmix