perish has definitions from the field of biology
1
[ verb ] (biology) pass from physical life and lose all bodily attributes and functions necessary to sustain life

Examples

"She died from cancer" "They children perished in the fire" "The patient went peacefully"

Used in print

(B. J. D. Meeuse, The Story of Pollination....)

It is on them alone that the future of their race depends , for all their relatives ( mothers , husbands , brothers , and unmated sisters ) have perished with the arrival of the cold_weather .

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