Nouns

(n)rosettean ornament or pattern resembling a rose that is worn as a badge of office or as recognition of having won an honor
(n)little potato, rosette, russet scab, stem cankerrhizoctinia disease of potatoes
(n)rosettea cluster of leaves growing in crowded circles from a common center or crown (usually at or close to the ground)
(n)rose window, rosettecircular window filled with tracery