different between glowing vs glowingly

English

glowing

glowing (plural glowings)

glowing (comparative more glowing, superlative most glowing)

That glows or glow.
glowing embers
(figuratively) Full of praise.
He received glowing references from his previous employers.

glowing +? -ly

glowingly (comparative more glowingly, superlative most glowingly)

While giving off a glow.
The spark hung there glowingly, then suddenly went out.
With enthusiastic praise.
He praised her glowingly; it was enough to make her blush.

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