2 adverbs to describe how to gruffly

Words ending with any double letter, preserve it double before any additional termination, not beginning with the same letter; as in the following derivatives: wooer, seeing, blissful, oddly, gruffly, equally, shelly, hilly, stiffness, illness, stillness, shrillness, fellness, smallness, drollness, freeness, grassless, passless, carelessness, recklessness, embarrassment, enfeoffment, agreement, agreeable.

" "Yea, truly, come along," said Will Stutely gruffly.

2 adverbs to describe how to  gruffly  - Adverbs for  gruffly