As a noun goop

is a thick, slimy substance; goo.

As an adjective goopy is

having the consistency of goop.

As adjectives the difference between sentimental and goopy

is that sentimental is characterized by sentiment, sentimentality or excess emotion while goopy is having the consistency of goop.

As an adjective gemlike is

resembling a gem; thus often, brilliant and compact.

As adjectives the difference between brilliant and gemlike

is that brilliant is shining brightly while gemlike is resembling a gem; thus often, brilliant and compact.

As a noun brilliant

is a finely cut gemstone, especially a diamond, having many facets.

As an adjective harmonious

is showing accord in feeling or action.

As a noun ensembling is

(music) playing harmoniously together in an ensemble.

In lang=en terms the difference between ensemble and ensembling

is that ensemble is a piece for several instrumentalists or vocalists while ensembling is playing harmoniously together in an ensemble.

As nouns the difference between ensemble and ensembling

is that ensemble is a group of separate things that contribute to a coordinated whole while ensembling is playing harmoniously together in an ensemble.

As verbs the difference between pressure and forecheck

is that pressure is while forecheck is (ice hockey) to pressure the puck carrier for the opposing team.

As an adjective pressure

is squeezed.

As a proper noun puck

is (mythology) a mischievous sprite in celtic mythology and english folklore.

As a verb forecheck is

(ice hockey) to pressure the puck carrier for the opposing team.

As nouns the difference between theater and grindhouse

is that theater is theater, theatre while grindhouse is a low-budget film theater that shows primarily exploitation films.

As an adjective diachronic

is occurring over or changing with time.

As an adverb diachronically is

in a diachronic fashion, or in diachronic terms.