As verbs the difference between forms and occur

is that forms is (form) while occur is to happen or take place.

As a noun forms

is .

As nouns the difference between substitution and alternate

is that substitution is substitution, replacement while alternate is that which alternates with something else; vicissitude.

As an adjective alternate is

being or succeeding by turns; one following the other in succession of time or place; by turns first one and then the other; hence, reciprocal.

As a verb alternate is

to perform by turns, or in succession; to cause to succeed by turns; to interchange regularly.

As an adjective beautiful

is attractive and possessing charm.

As a noun fragrances is

.

As nouns the difference between trend and bandwagon

is that trend is an inclination in a particular direction while bandwagon is a large wagon used to carry a band of musicians in a parade.

As a verb trend

is to have a particular direction; to run; to stretch; to tend.

As adjectives the difference between highest and strongest

is that highest is superlative of high while strongest is superlative of strong.

As an adverb highest

is superlative of high POS=adverb.

As adjectives the difference between critical and constructive

is that critical is inclined to find fault or criticize; fastidious; captious; censorious; exacting while constructive is relating to or causing construction.

As a noun critical

is a critical value, factor, etc.

As nouns the difference between belt and bond

is that belt is while bond is .

As an adjective noxious

is harmful; injurious.

As a proper noun pestilence is

the personification of pestilence, often depicted riding a white horse.

As adjectives the difference between lonely and sociable

is that lonely is unhappy because of feelings of loneliness while sociable is tending to socialize or be social; friendly; inviting; congenial.

As verbs the difference between strengthening and intensify

is that strengthening is while intensify is to render more intense; as, to intensify heat or cold; to intensify colors; to intensify a photographic negative; to intensify animosity.

As a noun strengthening

is that to strengthen.