For words ending in stressed -il, drop the final -l and add -s.
|funil, funis||[funnel, funnels]|
|barril, barris||[barrel, barrels]|
For words ending in an unstressed -i, drop the -il and add -eis. Accentuation is maintained on the same syllable.
|fóssil, fósseis||[fossil, fossils]|
The source of these excerpts is the first digital edition Português para principiantes, a thorough re-working of Severino J. Albuquerque and Mary H. Schil’s 1993 revision of Claude E. Leroy’s textbook, first published as Português Para Principiantes in two volumes by the University of Wisconsin Extension Division in 1964. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.