Postposition
/ˌpəʊstpəˈzɪʃn/
Definition 1 of 1
Pro Tip 1/3Cultural Variance
Be aware that postpositions can vary by language and may not exist in English. 
In Hindi, 'ghar par' uses 'par' as a postposition meaning 'at home'.
Pro Tip 2/3Meaning Clarification
Postpositions clarify relationships between nouns and other sentence elements. 
In 'the conference title aside', 'aside' is a postposition.
Pro Tip 3/3Not Prepositions
Unlike prepositions, postpositions follow the words they relate to. 
We went inside the house. ('inside' is a preposition, not a postposition.)