Comparison of word grammars for spoken interpreter within a subject area. 
The automatic spoken interpreter within a subject area is considered. 
The system firstly recognizes the input phrase as a sequence of words, 
than it makes decision about the meaning type of the recognized phrase. 
Strict, free and phonetic word based speech recognition word grammars are explored. 
Results of their application for highly inflective languages with relatively 
free word order like Ukrainian are discussed.