Examples of websites using
Adieu
(Adieu is a geometric sans-serif font designed by Kenneth Knutsen and released by Good Type Foundry in 2017. The font family consists of 7 weights with matching italics, offering a total of 14 styles)
with
GT America
(GT America is a sans-serif font designed by Noël Leu and Seb McLauchlanand released by Grilli Type in 2016. It is a modern interpretation of classic American Gothic fonts and comes in 84 styles, including regular and italics, in various weights and widths)