Vallate Papillae are hemispherical bumps, about 1-2mm in diameter, located on the extreme rear of the tongue. These papilla secrete a sort of 'cleansing solution' to remove unwanted particulates from the surrounding area, resulting in more responsive taste buds.

Here are seven-letter English words that end with "late":

acylate, adulate, bullate, chelate, cholate, collate, dealate, deflate, emulate, fellate, gallate, inflate, isolate, ovulate, oxalate, prelate, prolate, reflate, replate, reslate, stylate, sublate, ululate, vallate, violate

Elmer R. Reynolds has written:

'Memoir on the pre-Colombian shell-mounds at Newburg, Maryland and the aboriginal shell fields of the Potomac and Wicomico rivers' -- subject(s): Kitchen-middens

'Avanzi preistorici nelle vallate del Potomac e dello Shenandoah meridionale' -- subject(s): Indians of North America

Here are the seven-letter words that end with LATE, but I do not think any of them is a bird:

acylate, adulate, bullate, chelate, cholate, collate, dealate, deflate, emulate, epilate, fellate, gallate, inflate, isolate, ovulate, oxalate, prelate, prolate, reflate, replate, reslate, stylate, sublate, ululate, vallate, violate

Vallate Papillae are hemispherical bumps, about 1-2mm in diameter, located on the extreme rear of the tongue. These papilla secrete a sort of 'cleansing solution' to remove unwanted particulates from the surrounding area, resulting in more responsive taste buds.