Slubs vs Slugs - What's the difference?

As nouns the difference between slubs and slugs

is that slubs is plural of lang=en while slugs is plural of lang=en.

is that slubs is third-person singular of slub while slugs is third-person singular of slug.

(head)

(head)

(slub)

(head)

(mining) half-roasted ore

(Webster 1913)

(head)

(slug)