As a verb undertake

is (label) to take upon oneself; to start, to embark on (a specific task etc).

As a noun promisor is

(legal) one who engages or undertakes; a promiser.

As nouns the difference between promiser and promisor

is that promiser is one who promises, one who makes promises while promisor is one who engages or undertakes; a promiser.

As nouns the difference between promise and promisee

is that promise is an oath or affirmation; a vow while promisee is a person who receives a promise.

As a verb promise

is to commit to something or action; to make an oath; make a vow.

Recremental is a related term of recrement.

As an adjective recremental

is recrementitious.

As a noun recrement is

waste matter or dross.

Recrementitial is a related term of recrement.

As an adjective recrementitial

is (medicine) of the nature of a recrement.

As a noun recrement is

waste matter or dross.

Recrement is a related term of recrementitious.

As an adjective recrementitious

is of or pertaining to recrement; consisting of recrement or dross.

As a noun recrement is

waste matter or dross.

As nouns the difference between excrement and recrement

is that excrement is any waste matter excreted from the human or animal body, or discharged by bodily organs while recrement is waste matter or dross.

As nouns the difference between reconstructivism and reconstructivist

is that reconstructivism is a postmodern movement concerned with the conscious reconstruction of reality, particularly, but not exclusively, with regard to social reality while reconstructivist is one who believes in reconstructivism.

As an adjective reconstructivist is

of or pertaining to reconstructivism.

As verbs the difference between returned and recached

is that returned is (return) while recached is (recache).

As an adjective recached is

(computing) returned to a cache.

In computing terms the difference between cache and recached

is that cache is a fast temporary storage where recently or frequently used information is stored to avoid having to reload it from a slower storage medium while recached is returned to a cache.

As verbs the difference between cache and recached

is that cache is to place in a cache while recached is past tense of recache.

As a noun cache

is a store of things that may be required in the future, which can be retrieved rapidly, protected or hidden in some way.

As an adjective recached is

returned to a cache.