Adjective modifier

• geographical: It may be useful to record whether a service enables searches by geographical co- ordinates.

Modifies a noun

• accuracy: The overall ordinate accuracy is checked with samples of known refractive index, germanium and zinc selenide.

Used with adjective complement

• co: To co ordinate the opening of all new outlets.

Noun used with modifier

• co-: Has Carey lost the ability to co- ordinate his feet now he is in goal?

• Co: The schemes aim to co ordinate, not compete with existing services.