Orthography Practice—Identify the correctly spelled adjective meaning deceitful or traitorous (pick the right form from Treachrous, Trecherous, Trechearous, Treacherous) for vocabulary precision.

Given data

• Definition cue: deceitful; likely to betray; also meaning dangerous (as in a treacherous road).
• Options: Treachrous, Trecherous, Trechearous, Treacherous

Concept/Approach
Correct spelling: treacherous with the internal sequence ‘‘-acher-’’.

Option analysis
Treachrous / Trecherous / Trechearous: each drops or misplaces vowels or consonants within ‘‘-acher-’’ cluster. ❌Treacherous: exact standard spelling. ✅

Memory tip
Think: trea + cher + ous → treacherous.

Final Answer
Treacherous