The phrase "a parallel relationship" is correct and usable in written English.
It can be used to describe a relationship that is similar or analogous to another relationship in some way.
Example: "The study found a parallel relationship between economic growth and environmental sustainability."
Alternatives: "an analogous relationship" or "a comparable relationship".
The early indications suggest that the Tsarnaev brothers may have had a parallel relationship.
Uniformity of monkey striate cortex: a parallel relationship between field size, scatter, and magnification factor.
Nagualism is the belief that there exists a nagual an object or, more often, an animal that stands in a parallel relationship to a person.
He was regularly having sex with her at the age of 12. His brother was having a parallel relationship with her, although she did not see him as often.
After the nanoconstrictions are networked, the results elucidate a parallel relationship between ballistic resistances in parallel systems, and especially, a complicated superimposed effect of arrangement mode on ballistic resistances in series systems governed by the phonon localization and corresponding change of phonon transmission angle.
TN and ADNs are in a parallel relationship which is not suitable.
In a commentary on the regulatory delays in dealing with methylmercury poisoning in Minamata, Japan, Jun Ui [as quoted by D'Itri and D'Itri (1978)] wrote: It might be a coincidence, but a strange, parallel relationship was observed between the actual symptoms of Minamata Disease and the reactions of these formal organizations.
Relations between Serbia and the Serb Republic are less close, but the two have forged a "special parallel relationship" (permitted under Dayton), and their armies are still virtually one.The Muslim Party of Democratic Action (SDA) is the only one of the trio with a stake in a unified Bosnia.
It was the beginning of a long, parallel relationship between two budding entities for social change: The Laramie Project and the Matthew Shepard Foundation.
Was it a one night stand, or a long-time parallel relationship?
Soft tissue contracture around the posterior ankle joint may also have an effect on the parallel relationship between the talus and the calcaneus, as seen on lateral radiographs, thus reducing the lateral talocalcaneal angle.
