At the turn of the century, the ever-expanding electrical industry was running low on shellac, a resin secreted by the female lac bug which could be used as an insulating material.
Source: wiktionary
Ranked by relevance and common usage.
Keep "lac" 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 "lac" 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 "lac", 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 "lac" or choose a simpler alternative from the closest-match group.
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
8 total sentences available.
At the turn of the century, the ever-expanding electrical industry was running low on shellac, a resin secreted by the female lac bug which could be used as an insulating material.
Source: wiktionary
[…] Lake [i.e., Gerard Lake, 1st Viscount Lake] should not have leisure to breathe for a moment, and calamities would fall on lacs of human beings in continued war by the attacks of his army, which would overwhelm like the waves of the sea.
Source: wiktionary
The Laccadives and Maldives, for instance, meaning literally the "lac of islands" and the "thousand islands," are a series of such atolls; […]
Source: wiktionary
Last night I was driving around in my lac.
Source: wiktionary
Showing 4 of 8 available sentences.
Closest matches include lac resin, lakh, paint, resin, shellac.
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.