coppy

is a small stool (lexic.us).

Variations: coppy, coppies.

enfilade

as a noun means 'gunfire directed along the length rather than the breadth of a formation' and, as a verb, to 'rake or be in a position to rake with gunfire in a lengthwise direction' (WordNet).

Variations: enfilade, enfiladed, enfilades, enfilading.

heliac

means 'pertaining to or near the sun' (WordNet).

Variations: heliac, heliacal, heliacally.