Words That Rhyme With "Observatories" :

2 syllables:

glories, juries, jury's, lori's, lorries, quarries, stories, story's, Tories

3 syllables:

Castores, Diores, Missouri's

4 syllables:

inventories, inventory's, levatores, rotatores, traditores

5 syllables:

conservatories, observatory's