different between hatchwork vs catchwork

English

hatch +? work

hatchwork (plural hatchworks)

(art) Crosshatching; ornamentation using a crosshatch pattern
Look at the hatchwork around the edges!
(uncountable, shipping) The apparatus around the hatches of a vessel, particularly the cargo hatch
The sailors must be familiar with the cargo and hatchwork.

catch +? work

catchwork (uncountable)

A simple irrigation system, used on sloping land, in which water from a stream or spring is fed in at the top and allowed to trickle down over a number of artificial terraces.

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