The phrase "arise relatively" is correct and usable in written English.
It can be used in contexts where you want to indicate that something emerges or occurs in relation to something else, often in a comparative sense.
Example: "The issues we face arise relatively to the changes in market demand."
Alternatives: "emerge in relation to" or "occur in comparison to".
Antitrust issues could arise relatively soon if the company succeeds in its bid for AT&T Broadband, which would increase its cable subscriber base from about 13 million to more than 26 million homes.
If each intermediate mutation leads to a product that can be shared with others, the complex type can arise relatively quickly as an emergent property among cooperating individuals, without any given individual having to accumulate all mutations.
When one considers complex cells, however, it seems far more plausible that synaptic plasticity could be modulated by events which arise relatively far downstream of the synapse.
However, should the need arise, relatively long range targets can be attacked.
Tumors in both models arise relatively late, suggesting that multiple cooperating oncogenic events are required for a tumor to develop.
This, however, was limited to estrogen receptor-positive tumors, suggesting that NAV3's aberrations arise relatively early in the tumorigenesis process, when tumors are still hormone dependent.
Class I and class II GLUT proteins have no non-metazoan relatives, suggesting these orthologues arose relatively recently, after the divergence of multi-cellular animals and are specific to that lineage.
If a beneficial mutation has not spread throughout an entire population, one possible interpretation is that the mutation arose relatively recently in the population's history.
Leaders of the new study said the most telling results were that the bacterium causing sexually transmitted syphilis arose relatively recently in humans and was closely related to a strain responsible for the nonvenereal infection known as yaws.
Suspicions of the woman's associations arose relatively quickly: within a week of Mr. Strauss-Kahn's arrest, the authorities learned of a recorded conversation between the subject of a drug investigation and another man, who said his companion was the woman involved in the Strauss-Kahn matter, according to another law enforcement official.
Further analyses indicated that this mutation arose relatively recently in equine evolution and was spread by horse breeders.
