TROTH

Pledge of fidelity (5)

Solution has appeared in 2 crosswords (2 across and 0 down):

• Quick crossword No 16,679 — 2023-10-19 23:00:00
  23A: Plight one's __, promise to be faithful (5)
• Quick crossword No 15,381 — 2019-08-23 23:00:25
  11A: Pledge of fidelity (5)