The phrase "albeit unspoken" is correct and can be used in written English.
It means "although not explicitly stated." Example: She knew he was angry, albeit unspoken, by the way he refused to meet her eyes.
But a different, albeit unspoken, set of rules applies to quarterbacks.
Birkin also forms an emotional, albeit unspoken, attachment to Alice Keach Natasha Richardsonn), the young wife of the vicar.
Now, with evangelicals feeling more and more comfortable in American society, despite the rhetoric of their leaders, the mantra (albeit unspoken) is "Lord, take your time; we're doing okay".
However, America has always operated an affirmative action policy, albeit an unspoken one, which has been preferential toward white people and discriminatory against blacks and minorities.
As an unspoken reciprocation of their award, the University of Breslau had anticipated that Brahms, one of the greatest living composers (albeit one who had not attended college), would write a suitable new work to be played at the award ceremony.
"He has that unspoken quality".
Many truths are unspoken.
