denser

As a noun density

is (physics) a measure of the amount of matter contained by a given volume.

As an adjective denser is

(dense).

As adjectives the difference between tighter and denser

is that tighter is (tight) while denser is (dense).

As an adverb tighter

is (tight).

As a noun tighter

is (obsolete) a ribbon or string used to draw clothes closer.

As an adjective denser

is comparative of dense.

As a noun denier is

an old French coin worth one-twelfth of a sou.

As adjectives the difference between denser and brittle

is that denser is (dense) while brittle is inflexible, liable to break or snap easily under stress or pressure.

As a noun brittle is

(uncountable) a confection of caramelized sugar and nuts.

As an adjective denser

is (dense).

As a noun censer is

an ornamental container for burning incense, especially during religious ceremonies.

As adjectives the difference between tenser and denser

is that tenser is (tense) while denser is (dense).

As adjectives the difference between dense and denser

is that dense is having relatively high density while denser is comparative of dense.