Compleat
Compleat is an archaic or stylistic spelling of the adjective complete. In Early Modern English, the form with an -e in -eat was common in titles and printed works, used to convey fullness or thoroughness. By the 19th century it fell out of standard usage, though it persists in historical contexts and as a deliberate archaism in modern publishing or branding.
The most famous example of the Compleat spelling is The Compleat Angler, a fishing treatise by Izaak
Other titles from the same era occasionally employed the same form, as printers and authors used archaic