The phrase "are rarely linked" is correct and usable in written English.
It can be used to describe a situation where two or more things do not often have a connection or relationship.
Example: "In many studies, the results show that diet and exercise are rarely linked to mental health outcomes."
Alternatives: "are seldom connected" or "are infrequently associated".
Mr. Horowitz's use of rap connects two cultures that are rarely linked.
This reflects the demographics of the people who use the search engine, but perhaps it also demonstrates one of Google's obvious failings: porn sites are sought out by millions of Internet users but are rarely linked to prominent Web pages.
We estimate that these graphs contain many star structures and two nodes with low degrees are rarely linked by an edge.
Home visitation programs to support parenting may offer hope as a preventive resource but these programs are rarely linked with child welfare.
Though the connection between these broad, intersectoral social policies and health may seem somewhat remote, and they are rarely linked to issues of health in our public policy discussions, growing evidence suggests that they should be so linked.
Vectors based on human adenovirus (Ad) serotypes 2 and 5 of species C continue to show increasing promise as gene delivery vehicles due to several key attributes: Ad vectors display in vivo stability and excellent gene transfer efficiency to numerous dividing and non-dividing cell targets, do not integrate into the host genome, and are rarely linked to any severe disease in immunocompetent humans.
Until the financial crisis of 2008, rising inequality and financial regulation were rarely linked in policy debates.
Even though the Giants' players are under scrutiny all year, Matsui's name is rarely linked to the scandals his teammates sometimes fall into.
However, it is rarely linked with fatalities: the federal Drug Abuse Warning Network counted fewer than 10 MDMA-related deaths in 1999, the last year for which national totals were reported.
It's a ridiculous proposition – speaking as a 16-stone bloke who would not last five seconds in the ring with Ronda Rousey – but one that is even sillier when applied to the fantasy world of superheroes, where power is rarely linked to size.
He was rarely linked romantically with a woman, and is the only governor of Kentucky who never married.
