ADJ

heavy, high
high energy usage
low
normal
With normal usage, the equipment should last at least five years
drug
Drug usage by teenagers has increased in recent years
energy
water

VERB + USAGE

increase
reduce

USAGE + VERB

increase
fall

PREP

~ of
Usage of computers in schools is increasing

ADJ

common, everyday, general, normal, ordinary, popular
That word is no longer in common usage
current, modern
a book on current English usage
actual
Actual usage of the word is different from the meaning given in the dictionary
correct
American, English, etc.
language, linguistic, word
colloquial

VERB + USAGE

come into, enter
The term 'eco-tourism' entered common usage in the 1990s

PREP

in ~
The word has a slightly different meaning in popular usage

PHRASES

patterns of usage
Dictionary definitions tend to show stereotypical patterns of usage