Correct option is C
Option (c) Sugest is the incorrectly spelt word.
Correct spelling:Suggest – to put forward for consideration. (सुझाव देना)
Example: I suggest we leave early to avoid traffic.
Meanings of other correctly spelt options:
· Healthy – In good health (स्वस्थ)
· Quantum – Quantity or amount (मात्रा)
· Mechanics – Study of motion and forces (यांत्रिकी)