As nouns the difference between intellectual and headwork

is that intellectual is an intelligent, learned person, especially one who discourses about learned matters while headwork is mental or intellectual labour.

As an adjective intellectual

is belonging to, or performed by, the intellect; mental or cognitive; as, intellectual powers, activities, etc.

As a proper noun labour

is (short for) the labour party.

As a noun headwork is

mental or intellectual labour.

As nouns the difference between manganese and hodgkinsonite

is that manganese is manganese while hodgkinsonite is (mineral) a rare monoclinic zinc manganese silicate mineral with the chemical formula zn₂mnsio₄(oh)₂, having a pink, red or yellow-red colour.

As nouns the difference between silicate and hodgkinsonite

is that silicate is while hodgkinsonite is (mineral) a rare monoclinic zinc manganese silicate mineral with the chemical formula zn₂mnsio₄(oh)₂, having a pink, red or yellow-red colour.

As nouns the difference between mineral and hodgkinsonite

is that mineral is mineral while hodgkinsonite is (mineral) a rare monoclinic zinc manganese silicate mineral with the chemical formula zn₂mnsio₄(oh)₂, having a pink, red or yellow-red colour.

As nouns the difference between mineral and annabergite

is that mineral is mineral while annabergite is (mineral) a mineral consisting of a hydrous nickel arsenate, chemical formula ni₃(aso₄)₂·8h₂o, with an apple-green colour.

As an adjective hydrous

is (chemistry) containing combined water; hydrated.

As a noun annabergite is

(mineral) a mineral consisting of a hydrous nickel arsenate, chemical formula ni₃(aso₄)₂·8h₂o, with an apple-green colour.

As nouns the difference between nickel and annabergite

is that nickel is a silvery elemental metal with an atomic number of 28 and symbol Ni while annabergite is a mineral consisting of a hydrous nickel arsenate, chemical formula Ni₃(AsO₄)₂·8H₂O, with an apple-green colour.

As a verb nickel

is to plate with nickel.

As a proper noun Nickel

is {{surname|patronymic|from=given names}.

As nouns the difference between arsenate and annabergite

is that arsenate is any salt or ester of arsenic acid while annabergite is a mineral consisting of a hydrous nickel arsenate, chemical formula Ni₃(AsO₄)₂·8H₂O, with an apple-green colour.

As nouns the difference between union and disjuncture

is that union is union (action and result) while disjuncture is a lack of union, or lack of coordination, or separation.