-er (suomeksi)

johdin
jolla muodostetaan verbistä tekijää ilmaiseva sana
-ja ((used to form agent nouns) person or thing that does... / person that does / person whose occupation is...)
-jä
jolla muodostetaan verbistä laitetta ilmaiseva sana
-in ((used to form agent nouns) person or thing that does... / thing or tool that does)
-ari (ääntäminen: (used to form agent nouns) person or thing that does... / person whose occupation is...)
-inen (ääntäminen: (with numbers, measurements or quantified sets) ranked by or having...)
-nen (ääntäminen: (with numbers, measurements or quantified sets) ranked by or having...)
-lainen (ääntäminen: (used form a demonym) resident or inhabitant of...)
-mpi (ääntäminen: used to form the comparative of adjectives / used to form the comparative of adverbs)
-lla, -llä (ääntäminen: used to form frequentatives)
-is (ääntäminen: used to form slang equivalents)