In rare|lang=en terms the difference between heptagram and heptangle

is that heptagram is (rare) a heptagon while heptangle is (rare) a heptagon.

As nouns the difference between heptagram and heptangle

is that heptagram is either of two regular seven-pointed stars, drawn with the construction lines retained; a heptangle while heptangle is (occult) a seven-pointed star with the construction lines retained.

As nouns the difference between heptagon and heptangle

is that heptagon is heptagon while heptangle is (occult) a seven-pointed star with the construction lines retained.

As nouns the difference between heptagon and heptagram

is that heptagon is heptagon while heptagram is either of two regular seven-pointed stars, drawn with the construction lines retained; a heptangle.

As an adjective helical

is in the shape of a helix.

As an adverb helically is

in a helical manner, spirally.

As adverbs the difference between spirally and helically

is that spirally is having the characteristics of a spiral while helically is in a helical manner, spirally.

As nouns the difference between horse and horseload

is that horse is a poker variant consisting of five different poker variants, with the rules changing from one variant to the next after every hand or horse can be (variant of basketball) while horseload is a large amount, originally the amount that a horse could haul.

As nouns the difference between haul and horseload

is that haul is a long drive, especially transporting/hauling heavy cargo while horseload is a large amount, originally the amount that a horse could haul.

As a verb haul

is to carry something; to transport something, with a connotation that the item is heavy or otherwise difficult to move.

As nouns the difference between homogeneity and homogeneousness

is that homogeneity is the state or quality of being homogeneous while homogeneousness is (rare) homogeneity, the state of having a uniform composition.

As a symbol uniform

is the letter u in the icao spelling alphabet.

As a noun homogeneousness is

(rare) homogeneity, the state of having a uniform composition.

As nouns the difference between virus and virophage

is that virus is virus while virophage is (virology) any virus that infects other viruses.