Which word in Group B can be added to Group A? Why?

Group A: ambler, ingrate, leash, steal
Group B: crushed, pudding, singes, tundra

Mike and Dave like to play Scrabble. Mike never cheats. He always plays valid words and never plays out of turn. Dave, however, cheats. Sometimes he plays invalid words, but Mike never challenges. Sometimes he makes two plays in one turn. Mike never notices. Today, Mike and Dave have started playing a game. Mike played first. After 7 plays, the board looked like this:

SPUD
PORE
OPEN
TEAT

As usual, Dave has already cheated ...

The following three equations represent words that have a common relationship. The first letter of each word is given. Where will you find the following equations to be true? (Be sure to 'check' your answer carefully.)

Q = 1, B = 2, P = 8

Each statement describes two words that when fused together create a new unrelated word (not a compound word). The clues do not necessarily indicate in which order the two words are attached. Example: This is the oldness of a tablet (pill + age = pillage).

1) This is the part of a book that describes sheep.
2) This is the natural way to turn a grape into a raisin.
3) These are informal neckwear.
4) This is the admission ...

What is the meaning of this rebus?

FEANCIENTFE

Each of the following sentences contains clues to a set of three words that are anagrams of each other (each sentence describes a different set).

1) I have a painting of a small mammal wearing a coating without the feathers.

2) A winged apparition will harvest the grain where the two lines intersect.

3) The members of the two groups were fearful of the Holy Grail.

4) Trying to reach home and score the winning run, Joe jumped over the ...