fortius
fortius is a Latin form of fortis, meaning “brave, strong”. It is the comparative adverb.
Found 117 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 2.26.2: Quo facto cum aliis alii subsidium ferrent neque timerent ne aversi ab hoste circumvenirentur, audacius resistere ac fortius pugnare coeperunt.
Ovid, Heroides 13.83: Fortius ille potest multo, quam pugnat, amare.
All forms of fortis (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.