- forte – accidentally, by chance, by luck, perchance
- fortuitus – accidental, accidentally, by chance, by luck, casual, fortuitous
- aqua fortis – strong water
- citius altius fortius – faster, higher, stronger
- fac fortia et patere – do brave deeds and endure
- fortes fortuna adiuvat – Fortune favours the bold
- fortes in fide – strong in faith
- fortis cadere, cedere non potest – The brave may fall, but cannot yield
- fortis est veritas – truth is strong
- fortis et liber – strong and free
- fortis in arduis – strong in difficulties
- semper fortis – always brave
- turris fortis mihi Deus – God is my strong tower
- viriliter agite estote fortes – "Quit ye like men, be strong"