As nouns the difference between cal and col

is that cal is kale; cabbage while col is inch (unit of length).

As nouns the difference between renegation and relegation

is that renegation is (obsolete) a denial while relegation is relegation.

As a verb currs

is third-person singular of curr.

As a noun curers is

plural of curer.

As verbs the difference between ensheathed and unsheathed

is that ensheathed is past tense of ensheathe while unsheathed is past tense of unsheathe.

As adjectives the difference between ensheathed and unsheathed

is that ensheathed is enclosed in a sheath while unsheathed is not protected by a sheath.

As verbs the difference between refines and refires

is that refines is while refires is (refire).

As verbs the difference between supposes and supposed

is that supposes is while supposed is (suppose).

As an adjective supposed is

presumed to be true, but without proof.

As verbs the difference between failed and foiled

is that failed is past tense of fail while foiled is past tense of foil.

As nouns the difference between vocalization and vocalisation

is that vocalization is the act of vocalizing or something vocalized; a vocal utterance while vocalisation is standard spelling of from=Non-Oxford British spelling|lang=en|vocalization.

As verbs the difference between aestheticised and estheticised

is that aestheticised is (aestheticise) while estheticised is (estheticise).

Oesophagotomy is often a misspelling of oesophagostomy.

Oesophagotomy has no English definition.

As a noun oesophagostomy is

an alternative form of esophagostomy.