Swoobat's name may possibly be a portmanteau of
''swoop'', ''swoon'' (to be overcome by infatuation) ''wool'', and ''bat''. The "S" added to Woobat to form its evolution's name may also emulate the adding of "Ko" to Koromori, using an additional letter at the beginning to change the meaning. Kokoromori seems to come from 心 ''kokoro'' (heart) and コウモリ ''kōmori'' (bat).
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