The term you’re looking for is a five-letter answer to the crossword clue “Benjamin,” commonly resolved as “Syrsa” (which is Swedish for cricket). Based on the results gathered, this appears to be the most frequently suggested solution for that clue in Swedish crossword databases. If you’d like, I can also provide alternative five-letter candidates that show up in some solvers, such as “Yngst,” depending on the intersecting letters in your puzzle.