aspell-en package is duplicated, in extra and in L series, but only for 32bit distribution
Code:
# ls -1 slackware*-current/*/*/aspell-en-*txz
slackware-current/extra/aspell-word-lists/aspell-en-6.0_0-noarch-4.txz
slackware-current/slackware/l/aspell-en-6.0_0-noarch-4.txz
slackware64-current/slackware64/l/aspell-en-6.0_0-noarch-4.txz