Dictionary does not do a good job of suggesting word corrections

[komputes]

Dictionary does not do a good job of suggesting word corrections. Here are some examples where I have compared the suggestions that I get in Libreoffice/Thunderbird/Gedit with MS Office 2008:

==========
word: disappearing
miss: dissapearing
Suggests:
 dissiminating
 dissipating
 dissociating
 disparaging
 dispairing

win: disappearing

==========
word: during
miss: durring
suggests
 Curring
 Purring
 Burring
 Furring
 Dur ring

win: during

=========
word: license
miss: liscence
suggests
 reminiscence
 luminescence
 concupiscence
 quiescence
 licenser

win: license
        licenses

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: aspell-en 7.1-0-1
ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
Uname: Linux 3.5.0-17-generic x86_64
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
Date: Tue Dec 18 00:56:50 2012
InstallationDate: Installed on 2012-12-06 (12 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: aspell-en
UpgradeStatus: No upgrade log present (probably fresh install)