Wrong spell-check suggestions by Solr

Question

Working on Spell Suggest with Solr 4.1.

We configured it correctly and Solr offers term as well as collate suggestions. However, we noticed that many times the sugg

Answer 1

You said in the comment, you are getting suggestion from index, but your configuration was not.

<str name="classname">solr.DirectSolrSpellChecker</str>

change the above to this

<str name="classname">solr.IndexBasedSpellChecker</str>

Answer 2

Are the terms you search on and the spell check enabled on the same ? do they go under the same analysis ?
One reason can be the fields are different and hence the suggestions on field provided do not exist in the fields that are being searched for.
Also, it can be the fields are analysed differently and hence the spell suggestion and the search does not match.