For a conclusion, I shal only point you to some few more spots which appeare here and there in the body of the Gangrene, which plainly shew the very vitals & inward parts of it to be pestilentially infected;
Source: wiktionary
Ranked by relevance and common usage.
Keep "pestilentially" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Choose a synonym only if it keeps the core idea of "pestilentially" intact in the sentence you are editing.
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
After choosing a replacement for "pestilentially", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "pestilentially" or choose a simpler alternative from the closest-match group.
3 total sentences available.
For a conclusion, I shal only point you to some few more spots which appeare here and there in the body of the Gangrene, which plainly shew the very vitals & inward parts of it to be pestilentially infected;
Source: wiktionary
[…] folly and prejudice have spread themselves so pestilentially among all ranks and denominations; that any person, who now would endeavour to benefit his country from a praiseworthy principle of integrity […] the patriot would be hooted at for a madman,
Source: wiktionary
1917, M. K. Gandhi, “Third Class in Indian Railways,” communication to the press on 25 September, 1917, Bhadarkali-Lahore: Gandhi Publications League, 1917, p. 5, There was a pipe in it [the water closet] but no water, and I say without fear of challenge that it was pestilentially dirty.
Source: wiktionary
Closest matches include plaguily.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.