Difference between Many and Greatly

MANY vs GREATLY: NOUN

The majority of the people; the masses.
A large indefinite number.
See meiny.
A multitude; a great aggregate; specifically, the mass of people; the generality; the common herd.
A considerable number: with the indefinite article, and followed by of expressed or understood.
A retinue of servants; a household.
The populace; the common people; the majority of people, or of a community.
A large or considerable number.
A considerable number.
[The phrase a many (as well as a pretty many) is now rare or colloquial; yet a good many and a great many are still in common use.]

A quantifier that can be used with count nouns and is often preceded by `as' or `too' or `so' or `that'; amounting to a large but indefinite number
Amounting to or consisting of a large indefinite number.
Being one of a large indefinite number; numerous.
Consisting of a great number; numerous; not few.
Too numerous; hence, too powerful.
The majority; -- opposed to the few. See Many, n.
Many a one; many persons.
A large number taken distributively; each one of many.

Being or consisting of a large number of units or individuals; numerous: often used alone, the noun being understood. See many, n.
Being one of a large number; belonging to an aggregate or category, considered singly as one of a kind: followed by a, an, or another, used distributively. The phrase many a one, so used, was formerly many one without the article.
Being of a certain number, large or small; plural (especially in the phrase the many as opposed to the one): after a term of qualification (as, so, too, and especially how in interrogations): often with the qualified noun omitted: as, how many people were there? how many will go? as many as the room will hold; not so many as before; too many men are dishonest.
Much.
Such a number indefinitely or distributively: as, he took so many of these, and so many of those, and so many of the others.
(determiner) An indefinite large number of.
(idiom) (as many) The same number of.

Often, All, Innumerable, Myriad, Few, Countless, Several, Umteen, Many an, Many a, Many another, Galore, Umpteen, Some, Numerous

Markedly, Mightily, Profoundly, Hugely, Vastly, Considerably, Drastically, Massively, Substantially, Dramatically, Enormously, Significantly, Immeasurably, Immensely, Tremendously

Often, All, Innumerable, Myriad, Few, Countless, Several, Umteen, Many another, Many an, Many a, Galore, Umpteen, Some, Numerous

Severely, Measurably, Materially, Markedly, Mightily, Hugely, Vastly, Considerably, Drastically, Massively, Substantially, Dramatically, Significantly, Immeasurably, Tremendously

It makes sense on so many levels and for so many purposes.
Women and children are suffering in many parts of the world in many ways.
My Theology of Church and Ministry Church can mean many things to many people.
Islamabad opposes drone strikes and has told the US many times that they kill too many innocent civilians.
Many clients in Sangli have approached us many times to avail the benefits of our services.
Many victims in a criminal case receive restitution orders upon sentencing; however, many go unenforced.
There are many, many others far too numerous to include in this brief article.
There are many churches in the world today, and in those churches are many people and many kinds of theology.
There are many travel places near by and so many lakes.
We have published many articles and held many seminars about prompt payment across Canada, and have many more planned for Alberta specifically.