Perhaps from a dialectal variant of crutch or crook.
cruck (plural crucks)
cruck (third-person singular simple present crucks, present participle crucking, simple past and past participle crucked)
From blend of car + truck.
You can also try words with the phrase CRUCK, words starting with the letters CRUCK, or words ending in the letters CRUCK.
Words… ending with q, starting with q, starting with qa, starting with qo, with two letters, starting with x, starting with j, ending with j,
Some random searches:
UNBVIT, KDRXHFA, XJDI, QEIU, FSPOA, FGQRRA,