konfereanssain is the singular comitative or plural locative of konfereansa.

konfereansaN

Very common

Finnish

konferenssiN

Nordsamisk-finsk ordbokdict-sme-fin/src/n_smefin.xml:31892Edit on GitHub Suggest

konferanseN

Nordsamisk-norsk ordbokdict-sme-nob/src/variants_smenob.xml:20234Edit on GitHub Suggest