As nouns the difference between tallow and unguent

is that tallow is a hard animal fat obtained from suet etc.; used to make candles, soap and lubricants while unguent is any cream containing medicinal ingredients applied to the skin for therapeutic purposes.

As a verb tallow

is to grease or smear with tallow.

Advancement is a related term of gain.

As nouns the difference between advancement and gain

is that advancement is the act of advancing, or the state of being advanced; progression; improvement; furtherance; promotion to a higher place or dignity; as, the advancement of learning while gain is the act of gaining or gain can be (architecture) a square or bevelled notch cut out of a girder, binding joist, or other timber which supports a floor beam, so as to receive the end of the floor beam.

As a preposition gain is

(obsolete) against.

As an adjective gain is

(obsolete) straight, direct; near; short.

As an adverb gain is

(obsolete) straightly; quickly; by the nearest way or means.

As a verb gain is

to acquire possession of what one did not have before.

Lament is a synonym of keening.

As nouns the difference between lament and keening

is that lament is an expression of grief, suffering, or sadness while keening is intense mournful wailing after a death, often at a funeral or wake.

As verbs the difference between lament and keening

is that lament is to express grief; to weep or wail; to mourn while keening is .

As an adjective keening is

sharp, shrill, especially of a sound.

Hurry is a related term of requirement.

As nouns the difference between hurry and requirement

is that hurry is rushed action while requirement is a necessity or prerequisite; something required or obligatory.

As a verb hurry

is (label) to do things quickly.

Certified is a related term of skilful.

As a verb certified

is (certify).

As an adjective skilful is

possessing skill, skilled.

Protection is a synonym of keep.

As nouns the difference between protection and keep

is that protection is the process of keeping (something or someone) safe while keep is (obsolete) care, notice.

As a verb keep is

to continue in (a course or mode of action); not to intermit or fall from; to maintain.

Disgrace is a related term of befoul.

As a noun disgrace

is disgrace.

As a verb befoul is

to make foul; to soil.

Quicken is a related term of propel.

As verbs the difference between quicken and propel

is that quicken is while propel is to cause to move in a certain direction.

As a noun quicken

is .

Note is a related term of repute.

As a noun note

is .

As a verb repute is

.

Operation is a related term of running.

As nouns the difference between operation and running

is that operation is operation (method by which a device performs its function) while running is the action of the verb to run .

As an adjective running is

moving or advancing by running.

As an adverb running is

(informal) consecutively; in a row.

As a verb running is

.