heliport

noun 0.816

helideck

noun 0.765

helicopter

noun 0.686

airfield

noun 0.627

helicopter carrier

noun 0.620

landing strip

noun 0.605

airstrip

noun 0.594

aerodrome

noun 0.592

air ambulance

noun 0.580

airport

noun 0.561

launch pad

noun 0.560

attack helicopter

noun 0.553

lily pad

noun 0.530

heliograph

noun 0.529

rooftop

noun 0.529

air taxi

noun 0.525

hospital

noun 0.524

airplane

noun 0.523

seaplane

noun 0.519

heli-skiing

noun 0.517

crash pad

noun 0.510

penthouse

noun 0.508

hipped roof

noun 0.508

airdrome

noun 0.504

quadcopter

noun 0.502