Cardinal numbers 70-100

Key points

Rather than having a specific word for 70, the French say soixante-dix.
Neither does French have specific word for 80 or 90; instead the French say quatre-vingts and quatre-vingt-dix.

The cardinal numbers 70 to 99 are more complicated. Rather than having a specific word for 70, the French say the equivalent of sixty-ten, sixty-eleven up to sixty-nineteen:

soixante-dix

seventy

soixante et onze

seventy-one

soixante-dix-neuf

seventy-nine

Neither does French have a specific word for 80 or 90; instead French says the equivalent of four twenties, four twenties one up to four twenties nineteen:

quatre-vingts