gnaw
chow
A four letter word meaning not kosher is: tref
Gnawed - To bite or chew.
The word pine can have that meaning.
What is a nine letter word meaning very tidy
ruminate
Stare
A similar meaning to masticate is the word: chew.
The root word for both "unsteady" and "steadily" is "steady." "Un-" is a prefix added to "steady" to create its opposite meaning in "unsteady."
chew
chomp
chow
Chew
chew
Steadily is an adverb.
Regard means to gaze at steadily
more steadily, most steadily