nested

Jackie, whom he’s nested with for the past seven years, followed close behind.

Eagles are mostly monogamous and the pair has nested together for the last seven years.

Indeed, there’s a novel nested within this novel, a samizdat work recounting the history of World War II and its aftermath as we know it, in which the Germans and Japanese are defeated.

It was "bonkers", they added, to conduct a defence review without it being "nested" in a broader cross-government security review.

Traditionally, the Pope's remains would have been enclosed the day before the funeral in three nested coffins, made of cypress, lead, and oak.