"with equal fervor" is a grammatically correct phrase and can be used in written English.
It means with the same intensity or passion. Example: Both teams played with equal fervor, determined to win the championship.
Let us stipulate that two individuals are equally ambitious with respect to some goal when they desire it with equal fervor and are disposed to work equally hard to achieve it.
Hippies and hipsters raved with equal fervor.
The fans cheered every goal with equal fervor.
They hashed over their personal relationships with equal fervor.
Ms. Teplyuk seemed to regard both with equal fervor.
We now have to establish our yes with equal fervor".
By Kelefa Sanneh Washington fended off black rivals and white supremacists with almost equal fervor.
In truth, it is easier to root for Harlan's Washington, a cunning and ruthless strategist who fought white supremacists and black rivals with nearly equal fervor.
I'm in occasional contact with these purveyors of fantasy groupthink and innovation, as I have a side gig as a writer for The Fake Football (as well as with NFL Jerks), run by guys with equal fantasy fervor.
And within both faiths, nut jobs galore think that they are Jesus's true homeboys, awaiting, quoting, and even celebrating him with equal or greater fervor to that of moderate believers.
We, as a society, seem to be suffering some kind of cognitive dissonance though, because with equal or perhaps greater fervor, we are systematically discouraging women and people of color of the population from pursuing graduate and undergraduate studies and careers in STEM fields.
