The Swedish term "snigel, snäcka, skalsnigel" matches the English term "snail"

other swedish words that include "snigel" : english :
snigel, metallklump, stor klunk slug
snigel-post snail-mail
other swedish words that include "snäcka" : english :
skålsnäcka limpet
purpursnäcka murex
pärlbåtsnäcka nautilus
snäcka periwinkle