To form an adverb from an adjective that ends in a consonant,
Take the feminine singular form and add -ment
Actively
Activement
Frankly, honestly
Franchement
Fortunately
Heureusement
Unfortunately
Malheureusement
Nervously
Nerveusement
Lately
Dernièrement
Seriously
Sérieusement
Absolutely
Absolument
Really
Vraiment
Politely
Poliment
Easily
Facilement
Constantly
Constamment
Fluently (courant)
Couramment
Differently
Différemment
Obviously
Évidemment
Patiently
Patiemment
Independently
Indépendamment
Slowly
Lentement
Well
Bien
Nicely
Gentiment
Badly
Mal
A Little
Peu
Fast
Rapidement, vite