"Proditory" is a word in ENGLISH

One who kills, or attempts to kill, by surprise or secret assault; one who treacherously murders any one unprepared for …

To kill by surprise or secret assault; to murder by treacherous violence.

The act of assassinating; a killing by treacherous violence.

To prove faithless or treacherous to, as to a trust or one who trusts; to be false to; to deceive; …

To deliver into the hands of an enemy by treachery or fraud, in violation of trust; to give up treacherously …

budhión, budhíon - Treacherous, false, faithless, disloyal, foresworn: traitor, betrayer. (cf. mabúdhì, maluíb).

Deceitful; hypocritical; treacherous.

Having a false heart; deceitful; treacherous.

Not faithful or loyal, as to obligations, allegiance, vows, etc.; untrue; treacherous; perfidious; as, a false friend, lover, or subject; …

Hollow or unsound at the core; treacherous; deceitful; perfidious.

In a false manner; erroneously; not truly; perfidiously or treacherously.

Characteristic of cats; sly; stealthy; treacherous; as, a feline nature; feline manners.

Full of fraud, deceit, or treachery; trickish; treacherous; fraudulent; -- applied to persons or things.

A framework of sleepers and crossbeams forming a foundation in marshy or treacherous soil.

adj. /NA-/ traitorous, treacherous, disloyal, unfaithful.

Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious …

Treacherous; betraying.

The disciple who betrayed Christ. Hence: A treacherous person; one who betrays under the semblance of friendship.

kalála - Treacherousness, insidiousness (of diseases, etc.). (cf. lála, malála). kalahíg – kalanáy kalalakín-an, Men, males, menfolk. (cf. laláki).

kaluibán - See kaluíb. Also: Treacherous deeds, treasonable proceedings, traitorous actions, cheating.