if I understand what you're asking correctly, what you want is something like:

if (($1 == wordhere) && (!$2)) { do stuff }

I think I can work with your example:

Code:
  if (($1 == word1) || ($1 == word2) || ($1 == word3)) && (!$2) { 
    echo -s Channel: $chan    
    echo -s Text: $1-    
    echo -s Nick: $Nick    
    .timer 1 4 .msg # 10 $nick : 3 $1 04is not acceptable language here 
} 


Just FYI, I use (!$2) out of habit; it's a shortcut, and actually means if ($2 == $null) .

Another option would be to simply take your code (remove the extra || like I did), and change all your $1 to $1- . Then it's saying if everything they type is [word], instead of just if the first thing they type is [word].

Hope this helps.

-Venoman