The phrase "adept not only" is correct and usable in written English.
It can be used when you want to emphasize that someone is skilled in more than one area or aspect.
Example: "She is adept not only at coding but also at project management."
Alternatives: "skilled not only" or "proficient not only".
Both became adept not only at creating opportunities for themselves, but recognizing double teams early and making opposing defenses pay with quick passes out.
Each responded with one of the best seasons of their careers, Bonucci proving himself adept not only as a defender but also a distributor of the ball who could help launch his team onto another offensive.
In restaurant circles Mr. Waxman, 57, has long been a vivid figure, adept not only at poultry — he's been linked to noteworthy chicken for decades — but also at weaving a mystique around himself.
The group, which will play the Rubin Museum of Art in Chelsea on Feb. 17 at the front end of a trans-Atlantic tour, has grown adept not only with Mr. Berne's language but also with his way of mixing complex structure with free-form interplay.
To be a strong leader both today and in the future you need to become adept not only at reacting quickly to events, but anticipating change before it occurs.
And once you get accustomed to being on the path, you may find that you become increasingly adept at not only taking more steps, but also making better choices the next time the road forks.
He praised the resumes of the new anchors, saying they were adept in reporting "not only on world affairs but also the lighter side of news".
In this unusual and politically adept speech, Gove not only responded swiftly to the growing criticism of the teaching of ICT in schools but also managed to shift the responsibility and risk in addressing that challenge onto the very groups that were calling for change.
Trump, however, is not only adept about lying; he is a master of innuendo-based conspiracy theories.
He was highly intelligent, supple, and farseeing as a strategist, and adept as a diplomat, not only abroad but also within the foreign-policy bureaucracy in Washington.
Mr. Hughes is not only adept at making us see the grandeur and spectacle of Rome, but he also reminds us that our image of that city, at least in its Classical period, "comes down to us in a very edited form," shaped by the art and artists of later years, who gave us a city that is "mostly white," filled with white columns, white colonnades, flights of white stairs.
