preaches is a form of:

Orchis



noun — Plural: Orchises
1.
(វេជ្ជសាស្ត្រ) ពងស្វាស
ENGLISH MEANING
noun — Plural: Orchises
1.
A genus of endogenous plants growing in the North Temperate zone, and consisting of about eighty species. They are perennial herbs growing from a tuber (beside which is usually found the last year's tuber also), and are valued for their showy flowers.
2.
Any plant of the same family with the orchis; an orchid.