Alpha
Bravo
Charlie
Delta
Echo
100

to make something known

reveal

100

an activity that a person does for pleasure when not working

hobby

100

the inside surface at the top of a room

ceiling

100

to move quickly; informal usage

zoom

100

ten years 

decade

200

a group of ships or aircraft that move or work together

fleet

200

a usually large vehicle that uses a lot of gasoline

gas-guzzling

200

relating to or caused by the warming of the Earth's atmosphere that is caused by air pollution, chiefly from carbon dioxide

greenhouse effect

200

to suddenly cry out in a loud and high voice because of pain or surprise

scream

200

something sent out or given off; typically harmful substances released into the air by automobiles

emission

300

a person or group that has something that belongs to them

owner

300

the act or process of telling a story or describing what happens

narration

300

a person who does dangerous things especially in order to get attention

daredevil

300

to understand or become aware of something

realize

300

something that is difficult to understand or explain; something unknown

ceiling

400

to express regret for doing or saying something wrong

apologize

400

a temporary place prepared for doing something

staging

400

a wet substance that hardens when it becomes dry and that is used to make smooth walls and ceilings

plaster

400

to fear something that will or might happen

dread

400

to officially decide (something) especially because of evidence or facts

determine

500

the process of building something such as a house or a road

construction

500

an agreement in which a person makes regular payments to a company and the company promises to pay money if the person is injured or dies, or to pay money equal to the value of something (such as a house or car) if it is damaged, lost, or stolen

insurance

500

not showing proper concern about the possible bad results of your actions

reckless

500

to cause someone or something to be in a dangerous place or situation

endanger

500

something that has been done through effort; a result of hard work

achievement