Extra
Extra adverb - To a great degree.
Firstly
Both words in one sentence
-
Firstly, you no longer win extra lives by simply winning a minigame; instead, the amount of coins you earn is multiplied by your consecutive wins.
Source: Video Game / Mario Party -
Most notably, at one point he manipulates matters at the breakfast table so that firstly, one of the younger orphans doesn't have to eat food she doesn't like, the orphan matron is happy with him for resolving the situation, and he gets an extra spoonful of oatmeal.
Source: Manipulative Bastard
Cite this Source
Firstly and Extra. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/extra/firstly
Extra & Firstly. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/extra/firstly>.
Firstly or Extra. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/extra/firstly.
Google Ngram Viewer shows how "extra" and "firstly" have occurred on timeline