Grimness
Part of speech: noun
Definition: The characteristic or quality of being grim
Ghastliness
Part of speech: noun
Definition: The state of being ghastlyA ghastly thing
Grimness as a noun is the characteristic or quality of being grim while Ghastliness as a noun is the state of being ghastly
Part of speech: noun
Definition: The characteristic or quality of being grim
Part of speech: noun
Definition: The state of being ghastlyA ghastly thing
We hope you now know whether to use Grimness or Ghastliness in your sentence.