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jealous would work I believe.
its kind of an odd analogy just because the first two are verbs and envious is an adjective
The verb for admiration is admire.
As in the action "to admire something or someone".
Dw i'n edmygu (I admire)
Dych chi'n edmygu (you admire)
It is not a sin to admire a priest as long as you admire him for the right reasons.
i admire you personality