"even expressed" is a correct and usable way of writing in English.
For example, "The sentiment was clear, even expressed without words".
Some of his peers even expressed a certain envy.
Some police officers even expressed support for the amnesty.
Intriguingly, they have even expressed an interest in working with Rare again in some capacity.
He even expressed doubt that prisoners needed to attend their hearings.
Mr. Bronfman even expressed doubts about Pressplay's subscription-based business model.
Some people even expressed a bit of forbearance for the political leadership.
A flight attendants' union has even expressed concern that terrorists could use it to plot attacks.
The organizers even expressed a certain impatience with the Nouveau Poor, once I introduced the phrase.
Governments and members of the public everywhere "knew"; they even expressed outrage, dismay and embarrassment.
He even expressed concern that they would think less of him for leaving.
"Axl even expressed support for our efforts earlier in the year.
