As pronouns the difference between whichever and whichsoever

is that whichever is any one or a number of a group while whichsoever is form of whichever|lang=en.

As a determiner whichever

is any one or a number of a group.

As adjectives the difference between bulky and flat

is that bulky is being large in size, mass, or volume while flat is having no variations in height.

As an adverb flat is

so as to be flat.

As a noun flat is

an area of level ground or flat can be (archaic|new england|now chiefly british) an apartment.

As a verb flat is

(poker slang) to make a flat call; to call without.

As nouns the difference between pilaff and risotto

is that pilaff is an alternative spelling of pilaf while risotto is an Italian savoury dish made with rice and other ingredients.

As adjectives the difference between unperturbed and stable

is that unperturbed is not perturbed while stable is relatively unchanging, permanent; firmly fixed or established; consistent; not easily moved, altered, or destroyed.

As a noun stable is

a building, wing or dependency set apart and adapted for lodging and feeding (and training) animals with hoofs, especially horses.

As a verb stable is

to put or keep (horse) in a stable.

As adjectives the difference between grounded and centered

is that grounded is (aviation|of an airman) not allowed to fly while centered is pertaining to the location that is middlemost to; located at the center.

As verbs the difference between grounded and centered

is that grounded is (ground) while centered is (center).

As a proper noun egypt

is a country in north africa official name: arab republic of egypt.

As a noun china is

(uncountable) the root of a climbing plant, smilax china l, once believed to have important medicinal properties or china can be (cockney rhyming slang|countable) mate (ie, friend).

As adverbs the difference between highly and least

is that highly is in a high or esteemed manner while least is used for forming superlatives of adjectives, especially those that do not form the superlative by adding -est .

As a determiner least is

(little);the smallest amount of [something.

As a verb sandwiched

is (sandwich).

As a proper noun drew is

a male given name or drew can be .

In obsolete terms the difference between careful and mindful

is that careful is full of cares or anxiety; worried, troubled while mindful is inclined (to do something).

As nouns the difference between subsidence and landslide

is that subsidence is the process of becoming less active or severe while landslide is a natural disaster that involves the breakup and downhill flow of rock, mud, water and anything caught in the path.