A scrambled grid

Question

Here is a 10x10 grid of letters where the letters on each row have been scrambled randomly:

In the unscrambled grid, each cell is part of a word at least 5 letters long. Words are written from left to right or from top to bottom, and all the words are connected together. What is the original grid, and what are all the words it contains?

Here's a copyable version of the scrambled grid:

A   E   S   K   L   N   A   O   P   O

E   N   F   D   E   K   L   I   E   L

A   N   A   C   U   K   T   T   T   G

I   O   N   D   O   H   A   I   M   L

T   N   O   S   S   T   L   I   L   O

E   B   U   E   D   D   I   C   O   O

S   G   I   O   A   D   I   A   M   N

L   S   D   V   M   Y   K   E   E   E

R   E   A   B   O   L   M   A   L   N

Y   S   C   S   A   S   R   Y   E   O

I didn't realize how hard this puzzle was when I posted it, so I'm adding a hint. Here's the grid where some letters have been filled in. All you have to do is find the missing letters:

Answer 1

One bugfix later, I think I have a solution:

Grid (I omitted some words from the list below):

 Horizontal:        Vertical:
 
 0, 0: NEPAL        0, 1: EIGHT
 0, 4: LOOKS        0, 2: PENNIES
 1, 0: FIELD        0, 3: ALTITUDE
 1, 5: KNEEL        0, 6: ONTOLOGY
 2, 4: ATTACK       0, 8: SECOND
 3, 3: IDIOM        0, 9: ALKALI
 4, 3: TOOLS        0, 9: ALKALIN
 5, 1: DEUCE        1, 0: FULSOME
 6, 0: MISDO        1, 0: FULSOMELY
 6, 5: AGAIN        3, 6: OLOGY
 7, 2: SEEDY        5, 1: DIMES
 8, 2: ABNORMAL     5, 2: ESSAY
 8, 4: NORMA        5, 7: BALMS
 8, 4: NORMAL       5, 8: DIVAS
 9, 3: ACROSS       5, 9: INKLE
 9, 4: CROSS
 9, 4: CROSSE
 

The words are from this wordlist: http://www-01.sil.org/linguistics/wordlists/english/