fa-ellipsis-v icon in font awesome icons has 1 variant fas i.e.,solid.
fa-envelope-square icon in font awesome icons has 1 variant fas i.e.,solid.
fa-exchange-alt icon in font awesome icons has 1 variant fas i.e.,solid.
fa-exclamation-circle icon in font awesome icons has 1 variant fas i.e.,solid.
fa-exclamation-triangle icon in font awesome icons has 1 variant fas i.e.,solid.
fa-expand-alt icon in font awesome icons has 1 variant fas i.e.,solid.
fa-expand-arrows-alt icon in font awesome icons has 1 variant fas i.e.,solid.
fa-external-link-alt icon in font awesome icons has 1 variant fas i.e.,solid.
fa-external-link-square-alt icon in font awesome icons has 1 variant fas i.e.,solid.
fa-facebook-square icon in font awesome icons is part of brand (fab) icons