"somewhat intertwined" is correct and can be used in spoken and written English.
Example sentence: We discovered that our lives were somewhat intertwined and had been for many years.
That was the case even with a somewhat intertwined Native American English economy and the conversion to Christianity by some Indians.
It's funny because it seems like both school's fates have been somewhat intertwined; both joined the SEC in 2012 and Mizzou recently chose A&M's R. Bowen Loftin as its new chancellor after he retired last summer.
These somewhat intertwined demographic findings could be due, at least in part, to the fact that age and income are typically interrelated in the geriatric literature, with levels of SES-based health inequalities increasing as a cohort ages [ 45].
My three internship rotations, which began in May 2001 and are due to be wrap up in April 2003, were somewhat intertwined.
Suspended, they resemble chandeliers somewhat, but because they are made of intertwined strings of colorful plastic beads they resonate strongly with the current Japanese proclivity for inexpensive, popular and often gaudy materials.
Notwithstanding somewhat distinct developmental trajectories, pharmaceutical and health biotechnology sectors are increasingly intertwined due to mergers and acquisitions and overlapping activities.
"The roles are too intertwined".
The concerts held intertwined stories.
Intertwined fingers mingle with pebbles.
How about intertwined and intermingle?
Tom and Jack: The Intertwined Lives of Thomas Hart Benton and Jackson Pollock.
