From Wiktionary, the free dictionary
cloud-capt (not comparable)
- (poetic, archaic) Capped with clouds
1831, L[etitia] E[lizabeth] L[andon], chapter V, in Romance and Reality. […], volume II, London: Henry Colburn and Richard Bentley, […], →OCLC, page 80:
The entrance to Fonthill—that truly cloud-capt palace, so fantastic and so transitory—was by two stupendous doors, which seemed to defy the strength of giants.