cockroach
US /ˈkɑːk.roʊtʃ/
UK /ˈkɑːk.roʊtʃ/

1.
karaluch
a nocturnal insect of the order Blattodea, typically having a flattened oval body and long antennae, active as a scavenger and household pest.
:
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I saw a cockroach scuttling across the kitchen floor.
Widziałem karalucha przebiegającego przez podłogę w kuchni.
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Exterminators were called to deal with the cockroach infestation.
Wezwano dezynfektorów, aby poradzili sobie z inwazją karaluchów.