title_body: Are Esperanto's part of speech endings actually beneficial?
upvoted_answer: For those unfamiliar with Esperanto POS suffixes, 
  
  -o noun  
  -i verb (infinitive)  
  -a adjective 
  -e adverb 
  
  
  For example:  
  
  sano - health 
  sani - to be healthy
  sana - healthy
  sane - healthily
  
  
  Since Esperanto has free word order, having POS markers allows the differentiation between the following phrases:
  
  ĝoje knabino ludas - a girl plays happily
  ĝoja knabino ludas - a happy girl plays
  
  
  Esperanto and LFN have a very similar affix system, however unlike LFN, Esperanto root words have no innate part of speech, so there is no way of "adding" a verbal suffix to a noun or an adjective. Rather, you would be changing the nominal/adjectival suffix to the verbal one and forming the verb based on the root word. Knowing the POS of any given word makes understanding unfamiliar words a lot easier, which is very advantageous for an auxiliary language. 
  
  With that being said, in EO poetry, nouns often drop their -o ending for aesthetic reasons.
  
  
    Berlino sen vi estas urb' (urbo) sen harmoni' (harmonio)
    Estas trista, trista, amasloĝej' (amasloĝejo)
  
  
  Between EO and LFN's, there is no "better" affix system. They are just two different ways of doing the same thing.