LAST ONE IN

Credit: NY Times Crossword - Apr. 7, 2002

Nancy Salomon

What do the following words have in common?

DOING

LIST

CAR

LAY

ADE

HAY

QUART

HINTS:

#1: The title is a clue.

#2: Each word can be changed by the addition or insertion of the same letter.

Answers:

The letter Z can be inserted into the first six words, and added to the seventh. (The last word was not in the original puzzle.)

(DOZING/LISZT/CZAR/LAZY/ADZE/HAZY/QUARTZ)