Extra
Extra adverb - To a great degree.
Not often
Extra and not often are semantically related in infrequently topic. Sometimes you can use "Extra" instead an adverb phrase "Not often".
Mutual synonyms
Cite this Source
Not often and Extra. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extra/not_often
Extra & Not often. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extra/not_often>.
Not often or Extra. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extra/not_often.
Google Ngram Viewer shows how "extra" and "not often" have occurred on timeline