Sindarin 

-on¹

suffix. masculine suffix
Sindarin [WJ/387; WJ/400] Group: Eldamo. Published by

Adûnaic

suffix. masculine suffix

A suffix used to form masculine nouns from common or neuter nouns (SD/435). Another common variant was (SD/438).

Adûnaic [SD/435] Group: Eldamo. Published by

Noldorin 

-on

suffix. masculine suffix
Noldorin [Ety/NU.035-2] Group: Eldamo. Published by

-on¹

suffix. masculine suffix
Noldorin [Ety/NU] Group: Eldamo. Published by

-we

suffix. masculine suffix
Noldorin [Ety/WEG] Group: Eldamo. Published by

Beware, older languages below! The languages below were invented during Tolkien's earlier period and should be used with caution. Remember to never, ever mix words from different languages!

Qenya 

-we¹

suffix. masculine suffix
Qenya [Ety/WEG; PE21/01] Group: Eldamo. Published by

* -nu

suffix. masculine suffix
Qenya [QL/036; QL/040; QL/095; QL/100] Group: Eldamo. Published by

* -ndo

suffix. masculine suffix
Qenya [QL/040] Group: Eldamo. Published by

Doriathrin

* -on

suffix. masculine suffix

Apparently a masculine suffix attested in the name Dairon.

Doriathrin Group: Eldamo. Published by

Gnomish

-weg

suffix. masculine suffix
Gnomish [GL/21; GL/24; GL/28; GL/30; GL/32; GL/34; GL/42; LT1A/Bronweg; LT1A/Finwë; LT1A/Manwë; LT1A/Vailimo; PE13/109] Group: Eldamo. Published by

* -os²

suffix. masculine suffix
Gnomish [GL/18; GL/49] Group: Eldamo. Published by