Word level test ; English as a second language; ESL; TESOL ; Sampling; Language corpus; Sprachkorpus; Datensammlung; Data collection; Textkorpus (method.) ; Text corpus (method.) ; Corpus linguistics ; Lexikometrie; Lexicometry; Automated Similarity Judgment Program; ASJP; Lexicostatistics ; Semantization (second language acquisition) ; Zweitspracherwerb (lex.) ; Second language acquisition (lex.) ; Vocabulary (second language acquisition) ; Polysemie; Polysemy; Ambiguität (lex.) ; Ambiguity (lex.) ; Mutual exclusivity (semant.) ; Homonymy/Polysemy ; English