Main
Main noun - The main or greater part of something as distinguished from its subordinate parts.
Usage example: the main of the tree is still healthy
Topic
Topic noun - A major object of interest or concern (as in a discussion or artistic composition).
Usage example: the topic of his poem is the bitter conflict in Northern Ireland
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Synonyms for Topic
Mutual synonyms
How words are described
Both words in one sentence
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His alternate channel, TJdoeslife, where he posts off-topic videos, Q & As, and other things that wouldn't fit on his main channel, can be found here.
Source: Web Video / The Amazing Atheist - Except on Sundays, where we get a new "comic" that's just a single picture, where the main feature is a long rant about a specific topic (often science-related).
Source: The Rant - The topic of this book will almost always be about the main characters and their adventures and personal achievements.
Source: Instant Book Deal
Cite this Source
Topic and Main. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/main/topic
Main & Topic. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/main/topic>.
Topic or Main. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/main/topic.
Google Ngram Viewer shows how "main" and "topic" have occurred on timeline