cas
/ˈkas/ · B2 · noun · m
guava
🍈 sounds like English 'cuss': this tart guava makes you cuss at the sourness
Spanish cas /kas/ sounds like cuss. The fruit is a very tart guava (Psidium friedrichsthalianum), so the sour taste pulls a cuss word out of you. Cas = cuss = sour guava.