This is in the correct key that Roger Miller played the song in.

(CAPO AT 1ST FRET)
(CAPO AT 1ST FRET)

CHORUS:
[A]               [E]  
THE LAST WORD IN LONESOME IS ME 
                 [D]          [A] 
THE LAST WORD IN LONESOME IS ME 
                           [D]            [Cm] 
MY HEART IS AS LONELY AS A HEART CAN BE LONELY 
    [E]                        [A] 
THE LAST WORD IN LONESOME IS ME 
 
VERSE 1: 
    [A]                      [E]       
TOO BAD WHATS HAPPENED TO OUR GOOD LOVE,  
                           [D]        [A] 
TOO BAD WHATS HAPPENED TO OUR GOOD LOVE 
              [A7]      [D]          [Cm]  
SOMETIMES OUR BEST ISNT QUITE GOOD ENOUGH 
        [E]                        [A] 
AND THE LAST WORD IN LONESOME IS ME 
 
 
    [A]           [E]  
THE LAST WORD IN LONESOME IS ME 
                 [D]           [A] 
THE LAST WORD IN LONESOME IS ME 
                           [D]            [Cm] 
MY HEART IS AS LONELY AS A HEART CAN BE LONELY 
    [E]                        [A] 
THE LAST WORD IN LONESOME IS ME 

VERSE 2:
[A]                 [E]
LIFE IS A DESERT AND LOVE QUENCHES THIRST
[E]                  [D]          [A]    
LIFE IS A DESERT AND LOVE QUENCHES THIRST
                     [A7]      [D]       [Cm]     
WE ALL HAVE TO HURT SOMETIME THIS IS MY FIRST TIME
    [E]                        [A] 
THE LAST WORD IN LONESOME IS ME


    [A]           [E]  
THE LAST WORD IN LONESOME IS ME 
                 [D]           [A] 
THE LAST WORD IN LONESOME IS ME 
                           [D]            [Cm] 
MY HEART IS AS LONELY AS A HEART CAN BE LONELY 
    [E]                        [A] 
THE LAST WORD IN LONESOME IS ME 
 
 
NOTE:
Alternatively if you don't have a capo play it A#, F, D#, A#7, Cm. I know it's obvious but still...
[NO CAPO]
[A#]       [F]       [D#]      [A#7]      [Cm]
E-1--    --1--    --3--    --1--    --3--
D-3--    --1--    --2--    --3--    --4--
G-3--    --2--    --3--    --1--    --5--
D-3--    --3--    --1--    --3--    --5--
A-1--    --3--    --X--    --1--    --3--
E-X--    --1--    --X--    --1--    --3--