As a noun announcement

is an act of announcing, or giving notice.

As a verb annointed is

(annoint).

As a noun paronychia

is (medicine) an infection under the cuticle of a fingernail or toenail.

As a proper noun tinea is

.

In grammar terms the difference between imperative and definitive

is that imperative is of, or relating to the imperative mood while definitive is a word, such as a definite article or demonstrative pronoun, that defines or limits something.

As adjectives the difference between imperative and definitive

is that imperative is essential while definitive is explicitly defined.

As nouns the difference between imperative and definitive

is that imperative is the grammatical mood expressing an order (see jussive). In English, the imperative form of a verb is the same as that of the bare infinitive while definitive is a word, such as a definite article or demonstrative pronoun, that defines or limits something.

As adjectives the difference between subjunctive and definitive

is that subjunctive is inflected to indicate that an act or state of being is possible, contingent or hypothetical, and not a fact while definitive is explicitly defined.

As nouns the difference between subjunctive and definitive

is that subjunctive is the subjunctive mood while definitive is a word, such as a definite article or demonstrative pronoun, that defines or limits something.

As verbs the difference between undertake and handle

is that undertake is (label) to take upon oneself; to start, to embark on (a specific task etc) while handle is to use the hands.

As a noun handle is

a part of an object which is held in the hand when used or moved, as the haft of a sword, the knob of a door, the bail of a kettle, etc or handle can be (slang) a name, nickname or pseudonym.

As nouns the difference between qualia and sensation

is that qualia is while sensation is (widespread reaction of interest or excitement).

As verbs the difference between concerned and regarded

is that concerned is (concern) while regarded is (regard).

As an adjective concerned

is showing concern.

As adverbs the difference between effectually and virtually

is that effectually is in such a way as to achieve a desired result; effectively while virtually is almost but not quite.

As nouns the difference between separatist and separationist

is that separatist is separatist while separationist is separatist.

As verbs the difference between praised and approved

is that praised is (praise) while approved is (approve).

As an adjective approved is

having received approval.