Japanese loanwords are mainly derived from English. These loanwords provide a considerable first-language (L1) resource that may assist in second-language (L2) vocabulary learning and instruction. However, given the huge number of loanwords, it is often difficult to determine whether an English word has a loanword equivalent and whether the…

Loanwords in Japanese that share form and meaning with English words are referred to as "Japanese-English cognates" (e.g., [Japanese symbol omitted] "radio") and are of fundamental concern for researchers concerned with vocabulary learning and instruction. This concern is reflected in the growing body of research into…