herringbone

As a noun herringbone is

a bone of a herring.

As a verb herringbone is

to stitch in a herringbone pattern.

As verbs the difference between herringbone and herringboned

is that herringbone is to stitch in a herringbone pattern while herringboned is (herringbone).

As a noun herringbone

is a bone of a herring.

Doublehelical is likely misspelled.

Doublehelical has no English definition.

As a noun herringbone is

a bone of a herring.

As a verb herringbone is

to stitch in a herringbone pattern.

As nouns the difference between herringbone and soutache

is that herringbone is a bone of a herring while soutache is a narrow braid often decorated with a herringbone pattern.

As a verb herringbone

is to stitch in a herringbone pattern.