Is this your crossword clue?
"foe" is also used as a crossword clue. If that's what you saw, the answer is often enemy (5 letters).
Definitions
an armed adversary (especially a member of an opposing military force)
Word origin
From Middle English fo (“foe; hostile”), from earlier yfoh, yvo, ifa (“foe”), from Old English ġefāh (“enemy”), from fāh (“hostile”), from Proto-West Germanic *faih, from Proto-Germanic *faihaz (compare Old Frisian fāch (“punishable”), Middle High German gevēch (“feuder”)), from Proto-Indo-European *peyk/ḱ- (“to hate, be hostile”) (compare Middle Irish óech (“enemy, fiend”), Lithuanian pi̇̀ktas (“evil”)).
Used in a sentence
“he, I say, could passe into Affrike onely with two simple ships or small barkes, to commit himselfe in a strange and foe countrie, to engage his person, under the power of a barbarous King […].”
“And a mans foes ſhalbe they of his owne houſhold.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Enemy”3 letters
Not quite right?
"Search similar patterns."
F__