Gamuts Two or From Aback to Zed (Past)

From aback to ahead, astir to abed.
From hang'd to beheaded, garrotted to bled.
From an Irish goodbye in James Joyce's The Dead
to a "Caed mille failte" (IF "caed" rhym'd with "ped-").
 
From cash to cred. From nun to coed.
From "Alive...it's alive!" to "I’m better off dead!"
From House to Ed. From daring to dread.
From The Conqueror, William to "-ward (the) VIII(th), Ed-."
 
From famish’d to fed, extract to imbed.
From Lucy and Desi to Ethel and Fred.
From stood pat to fled, Nikkei to the Fed.
From G. B. Shaw's "ghoti" to Sgt. Jim's "ghled."
 
From toenail to head. From "too" to instead."
From Coal Miner's Daughter to Ballade of Jed.
From pure to inbred. From Nike to Ked.
From a morning ashore to two weeks at Club Med.
 
From followed to fled. From silver to lead.
From informed to mislead. From acquired to misread.
From Tia Maria to Great Uncle Ned.
From "-tigone" (An-) to "the King, -ipus" (Oed-).
 
From Math to Phys Ed., poppadom to shortbread.
From a mood indigo to a fire engine red.
From cross file to shred. From skateboard to sled.
From oleo to "the expensiver spread."
 
From whispered to said. From slowed down to sped.
From atque to sed. From halyard to thread.
From "Empty your pockets!" to "Move right ahead!"
From a slap on the wrist to a trip to the shed.
 
From hitched to unwed. From remanded to pled.
From Aethelbald to Aethelraed the Unraed.
From Chita's Chihuahua to Sam's Samoyed.
From A, B through N, O, P, Q, R...
 
                                                ...to Zed!