air·speed 
(ârspēd′)
(ârspēd′)n.
The speed, especially of an aircraft, relative to the air.
- proportionality
- proportionally
- proportional representation
- proportionate
- proportionately
- proportionateness
- proportioner
- proportionment
- proposal
- propose
- proposer
- proposition
- propositional
- propositional calculus
- propositional function
- propositionally
- propositus
- propound
- propounder
- propoxyphene
- propraetor
- propraetorial
- propraetorian
- propranolol
- propria