"differ in degree" is correct and usable in written English.
You can use it to describe two or more things that are similar in some way but vary in their level of intensity or extent. For example, "The two plans for the new park differed in degree; one was more ambitious than the other."
Your work may differ in degree, but it is not different in kind from what every artist does.
To test whether regions of the chromosome differ in degree of variability, we compared the variances in the lengths of different chromosomal regions based on I- CeuI fragments.
It is in this respect that recklessness and intentional conduct differ in degree.
Innovations are imitated, but the imitations themselves differ in degree and kind.
Kushner's use of a private account, however, does appear to differ in degree from the former secretary of state and Democratic nominee, according to the descriptions provided Sunday.
Implications include strong gum-assay immunoreactivity, the importance of gender/sex in methodological investigations, and that immunoreactivity can differ in degree and direction depending on analytes.
Her experience differs in degree, though not in kind, from those of millions of other American families during the current boom.
The two treatment conditions differed in degree of congruence with MI but not in conduct of EX/RP procedures.
The violation of any of these several provisions is declared to be a misdemeanor, and penalties are prescribed differing in degree according to the nature of the offense.
The molecular composition and C/N ratio showed that the profiles differed in degree of decomposition, with the OM in the soils that contained a sombric horizon being more decomposed than that in the reference profile.
