Reverse Dictionary: ENDEAVOUR

NOUNS
DEVER duty, best endeavour or try → 19C Eng. dial.
ETTLE an attempt, an effort, an endeavour, an aim, an intent → 1839 Sc.
ETTLING an effort, a strong endeavour → 1883 Sc.
MINT an aim, attempt at, effort, endeavour → 1660 Sc. & Eng. dial.  
► MUTT’S GAME a foolish endeavour, a pointless exercise → 1910 sl.
OPEROSITY laboriousness, painstaking endeavour → 1623
YATTLE an endeavour; strength, force of mind → 1905 Sc. obs. (Bk.)

VERBS
ACKADUR to persevere, to endure, to endeavour → 1866 Sc.
AFFORCE to endeavour, attempt, or try → c1300 obs.
DEVER to try, to attempt, to endeavour → 1879 Eng. dial.
ETTLE to attempt, to endeavour; to strive after, to struggle hard to obtain → 1725 Sc.
HEAVE to put forth effort; to endeavour, to labour, to strive → c1374 obs.
IMITATE to make an attempt; to endeavour to do something → a1626 obs. exc. Eng. dial.
LAY OUT ONE’S ACCOUNTS to endeavour; to make it one’s business → 1892 Eng. dial.
MINT to endeavour, to attempt; to venture, to dare, to presume → 1724 Sc.  
NIXURIATE to endeavour, to attempt → 1623 obs.
PERFORCE to try, strive, or endeavour to do the utmost; to do one’s best → 1490 obs
PRESS to endeavour or attempt to do something, esp. with eagerness or haste; to aim at or strive after → 1425 obs.