The THESAURUS_FORM element contains a word form that is used by the THESAURUS_ENTRY element to set an equivalence.
<!ELEMENT THESAURUS_FORM (#PCDATA)>
The THESAURUS_FORM element has no attributes.
The THESAURUS_FORM element has no sub-elements.
In this example, the noun and adjective forms of a word are made equivalent.
<THESAURUS>
<THESAURUS_ENTRY>
<THESAURUS_FORM>france</THESAURUS_FORM>
<THESAURUS_FORM>french</THESAURUS_FORM>
</THESAURUS_ENTRY>
</THESAURUS>