@ainali @Natasha_Jay judging from NAOB,¹ Norwegian has
• bokmøll (book moth), which they say is infrequent and define as
• bokorm (bookworm), which also points to
• lesehest (reading-horse).
(See https://naob.no/ordbok/bokm%C3%B8ll and follow the links from one entry to the next.)

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¹ Det Norske Akademis ordbok, which gives Bokmål forms.