As nouns the difference between device and subordinary

is that device is any piece of equipment made for a particular purpose, especially a mechanical or electrical one while subordinary is (heraldry) any device that is less common than the normal ordinaries.

As adjectives the difference between slow and dronish

is that slow is taking a long time to move or go a short distance, or to perform an action; not quick in motion; proceeding at a low speed while dronish is like a drone, slow, sluggish.

As a verb slow

is to make (something) run, move, etc less quickly; to reduce the speed of.

As a noun slow

is someone who is slow; a sluggard.

As an adverb slow

is slowly.

As adjectives the difference between sluggish and dronish

is that sluggish is habitually idle and lazy; slothful; dull; inactive; as, a sluggish man while dronish is like a drone, slow, sluggish.

As nouns the difference between farmyard and stackyard

is that farmyard is the area around a farm, excluding the fields while stackyard is a farmyard in which stacks of hay etc are stored.

As nouns the difference between stack and stackyard

is that stack is floor, storey while stackyard is a farmyard in which stacks of hay etc are stored.

As nouns the difference between hay and stackyard

is that hay is (uncountable) grass cut and dried for use as animal fodder or hay can be the name of the letter for the h sound in pitman shorthand while stackyard is a farmyard in which stacks of hay etc are stored.

As a verb hay

is to cut grasses or herb plants for use as animal fodder.

Sucrol is a synonym of dulcin.

As nouns the difference between sucrol and dulcin

is that sucrol is the sweetener dulcin while dulcin is an artificial sweetener, 4-ethoxyphenyl-urea , no longer permitted in food.

Valzin is a synonym of dulcin.

As nouns the difference between valzin and dulcin

is that valzin is the sweetener dulcin while dulcin is an artificial sweetener, 4-ethoxyphenyl-urea , no longer permitted in food.

As nouns the difference between mistress and dulcinea

is that mistress is (archaic) used as the title of a married woman before her name now used only in the abbreviated form mrs while dulcinea is (obsolete) a mistress; a sweetheart.

As nouns the difference between sweetheart and dulcinea

is that sweetheart is a person who is always very kind while dulcinea is (obsolete) a mistress; a sweetheart.