Chapter is a synonym of span.

As a noun chapter

is one of the main sections into which the text of a book is divided.

As a verb chapter

is to divide into chapters.

As an adjective span is

hairless, glabrous.

Repulsive is a related term of rotten.

As an adjective repulsive

is .

As a noun rotten is

.

Broadness is a related term of expanse.

As nouns the difference between broadness and expanse

is that broadness is the state, characteristic, or condition of being broad; breadth while expanse is a wide stretch, usually of sea, sky, or land.

Collusive is a related term of evasive.

As adjectives the difference between collusive and evasive

is that collusive is secretly acting together for a fraudulent or illegal purpose while evasive is .

Piece is a related term of statement.

As nouns the difference between piece and statement

is that piece is room (in a house, etc) while statement is a declaration or remark.

As a verb statement is

to provide an official document of a proposition, especially in the uk a statement of special educational needs.

Big is a related term of countless.

As a noun big

is a biological insulation garment; an air-tight, full-body suit intended to prevent the spread of contaminants.

As an adjective countless is

too many to count; innumerable or incalculable.

Genuine is a synonym of plain.

As adjectives the difference between genuine and plain

is that genuine is belonging to, or proceeding from the original stock; native; hence, not counterfeit, spurious, false, or adulterated; authentic; real; natural; true; pure while plain is .

As an adverb plain is

(colloquial) simply.

As a noun plain is

(rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As a verb plain is

to lament, bewail or plain can be (obsolete|transitive) to plane or level; to make plain or even on the surface.

Dichotomy is a related term of disunion.

As nouns the difference between dichotomy and disunion

is that dichotomy is a separation or division into two; a distinction that results in such a division while disunion is separation of a union.

Dishonourable is a related term of foul.

As an adjective dishonourable

is .

As a noun foul is

foul (a breach of the rules of a game).

Seasonable is a related term of apposite.

As adjectives the difference between seasonable and apposite

is that seasonable is opportune; occurring at an appropriate or suitable time while apposite is appropriate, relevant, well-suited; fit.

As a noun apposite is

(rare) something that is.