ambulance

noun 0.751

flying doctor

noun 0.673

air taxi

noun 0.668

flight nurse

noun 0.663

medevac

noun 0.653

emergency medical service

noun 0.638

helicopter

noun 0.632

emergency vehicle

noun 0.626

airplane

noun 0.605

paramedic

noun 0.602

attack helicopter

noun 0.601

air tanker

noun 0.583

aircraft

noun 0.583

emergency service

noun 0.582

airlifter

noun 0.582

airship

noun 0.580

helipad

noun 0.580

air cargo

noun 0.576

air travel

noun 0.572

aeroplane

noun 0.569

airline

noun 0.567

fighter aircraft

noun 0.566

helicopter carrier

noun 0.564

aerial ladder

noun 0.562

airbag

noun 0.562

airbus

noun 0.562

air suspension

noun 0.560

air mattress

noun 0.560

air carrier

noun 0.559

airborne

noun 0.559

accident and emergency

noun 0.557

airfreight

noun 0.556

hospital ship

noun 0.551

heliport

noun 0.549

aircrew

noun 0.539

air parcel

noun 0.539

airmail

noun 0.538

air embolism

noun 0.537

aerial

noun 0.537

aerial lift

noun 0.537

fire engine

noun 0.534

fighter plane

noun 0.531

airliner

noun 0.530

airbill

noun 0.528

aircraft carrier

noun 0.526

aerial photograph

noun 0.525

airman

noun 0.525

air hostess

noun 0.525

airmanship

noun 0.523

air base

noun 0.523

air cushion

noun 0.522

seaplane

noun 0.521

airfield

noun 0.516

airport

noun 0.516

bush pilot

noun 0.516

air force

noun 0.514

air marshal

noun 0.514

fire truck

noun 0.513

aerodrome

noun 0.513

airframe

noun 0.512

aerial survey

noun 0.512

paramedicine

noun 0.512

emergency light

noun 0.511

spotter plane

noun 0.511

aviation

noun 0.510

anti-aircraft

noun 0.510

aerial photography

noun 0.510

air show

noun 0.509

air pump

noun 0.508

air traffic control

noun 0.508

quadcopter

noun 0.508

airdrome

noun 0.507

microlight

noun 0.506

air line

noun 0.505

ambulatory

noun 0.504

flying squad

noun 0.503