troth (n.)
- adherence
- adhesion
- allegiance
- assurance
- attachment
- avouchment
- banns
- betrothal
- bond
- constancy
- contract
- countersign
- devotedness
- devotion
- engage
- engagement
- espousal
- faith
- faithfulness
- fealty
- fidelity
- firmness
- guarantee
- homage
- loyalty
- oath
- parole
- pledge
- plight
- promise
- staunchness
- steadfastness
- swear
- tie
- trueness
- vow
- warrant
- warranty
- word
troth (v.)
Or, having sworn too hard a keeping oath,
Study to break it and not break my troth.
Time trieth troth in every doubt.