Fill
Fill verb - To do what is required by the terms of.
Usage example: orders received by this date will be filled in time for Christmas delivery of the merchandise
Keep
Keep verb - To do what is required by the terms of.
Usage example: make sure you keep your promise to help out at the homeless shelter
Mutual synonyms
Common collocations
Both words in one sentence
- He makes it a point to fill his power team with people of similar ability (though is always sure to keep them in check)—and like Urquart, powers it all with many an Aside Comment.
- He's much like someone who marries a (fill in the blank with favorite minority) woman but wants her to keep it hidden.
- Notably, State Sec officers fill the roles of Political Officer and Praetorian Guard in order to keep the Navy from turning on their government.
Source: Who Watches the Watchmen?
Cite this Source
Keep and Fill. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/fill/keep
Fill & Keep. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/fill/keep>.
Keep or Fill. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/fill/keep.
Google Ngram Viewer shows how "fill" and "keep" have occurred on timeline