Transform a given word to the indicated word in a minimum number of steps by changing precisely one letter in each step:

GRASS to GREEN and, GREEN to GRANT

GRASS to GREEN to GRANT
Permitting any Scottish-English, archaic or informal words, the ladders can be accomplished in four + five steps:
    GRASS
1) GRAYS
2) GREYS
3) GREES 
4) GREEN
1) GREES
2) GREYS
3) GRAYS
4) GRANS 
5) GRANT

Otherwise, the ladders can still be accomplished in, at least,
seven + eight steps:
    GRASS
1) GRAYS
2) GREYS
3) TREYS 
4) TREES
5) TREED 
6) GREED or TREEN 
7) GREEN
1) GREED or BREEN 
2) BREED
3) BLEED
4) BLEND
5) BLAND
6) GLAND or BRAND
7) GRAND
8) GRANT

=====
GREES - (n.) plural of GREE: (archaic, Scottish) victory;
             prize for a victory
TREYS - (n.) plural of TREY : a card, die or domino with three pips
GRANS - (n.) plural of GRAN: (informal) grandmother
TREED - (adj.) planted or covered with trees; wooded; 
             (v. past participle) forced up a tree; cornered
TREEN : (n.) wooden cookware, tableware or eating utensils
BREEN - (n.) a deep brownish green;
             (adj.) of a deep brownish green

Edited on December 21, 2011, 10:36 pm

Posted by Dej Mar on 2011-12-21 22:34:17