A
B
C
100

AERA

AREA

100

DIA

AID

100

DAICEMAC

ACADEMIC
200

opposite of ACCESSIBLE

INACCESSIBLE

200

opposite of ACCURATE

INACCURATE

200
opposite of ADEQUATE

INADEQUATE

300

transform the verb ACHIEVE into a noun 

ACHIEVEMENT

300

transform the verb ALTER into a noun

ALTERATION

300
transform the verb ANALYSE into a noun

ANALYSIS

400

definition 'slight change to make something more correct, effective, or suitable'

ADJUSTMENT
400

definition 'to have an influence on someone or something, or to cause a change in someone or something'

AFFECT

400

definition 'one of two or more available possibilities'

ALTERNATIVE

500

Is this vocabulary _____ for academic essays?

APPROPRIATE

500

It is _____ to curse in the IELTS speaking test.

INAPPROPRIATE

500

The candidate answered the examiner's questions _____.

APPROPRIATELY