As adjectives the difference between routine and ingrained

is that routine is according to established procedure while ingrained is being an element; present in the essence of a thing.

As a noun routine

is a course of action to be followed regularly; a standard procedure.

As a verb ingrained is

past tense of ingrain.

As adjectives the difference between acrimonious and ironic

is that acrimonious is angry, acid, and sharp in delivering argumentative replies: bitter; mean-spirited; sharp in language or tone while ironic is ironic.

As a noun cultivation is

the art or act of cultivating; improvement of land for or by agriculture.

As nouns the difference between cultivation and gardening

is that cultivation is the art or act of cultivating; improvement of land for or by agriculture while gardening is the process or action of cultivating the soil, particularly in a garden; the care of a garden; horticulture.

As an adjective gardening is

describes items or actions connected with the garden.

As a verb gardening is

.

As nouns the difference between abbreviation and condensation

is that abbreviation is the result of shortening or reducing; abridgment while condensation is the act or process of condensing or of being condensed; the state of being condensed.

As nouns the difference between proficiency and flair

is that proficiency is ability, skill, competence while flair is (distinctive style or elegance).

As nouns the difference between realisation and skill

is that realisation is making; creation; realization while skill is capacity to do something well; technique, ability skills are usually acquired or learned, as opposed to abilities, which are often thought of as innate.

As a verb skill is

to set apart; separate.

As an adjective skill is

(uk|slang) great, excellent.

As nouns the difference between ending and cancellation

is that ending is a termination or conclusion while cancellation is the act, process, or result of cancelling; as, the cancellation of certain words in a contract, or of the contract itself.

As a verb ending

is present participle of lang=en.

As an adjective unsympathetic

is not sympathetic.

As a noun hat is

a covering for the head, often in the approximate form of a cone or a cylinder closed at its top end, and sometimes having a brim and other decoration.

As an adjective derogatory

is tending to derogate, or lessen in value of someone; expressing derogation; detracting; injurious.

As a noun derogatory

is a trade-line on a credit report that includes negative credit history.

As a verb castigating is

.