problema (problem)
phonema (phoneme)
tema (theme)
sistema (system)
Ema.
Buenos poemas. Even though it ends in "a", this is masculine. Generally, Spanish words ending in "ema" or "ama" are masculine, and actually derive from Greek.
Well there are a lot, listed below are just some of the most common: -problema -sistema -programa -mapa -clima Those are some just write off the top of my head. Generally, words ending in "ema" or "ama" are masculine.
You can usually tell it is a feminine because of the at the end of the word!Unfortunately, this is one of those exceptions to this rule. It it actually masculine. Words ending in "a" that are derived from Greek are masculine. Usually these are words that end in "ema" or "ama", but "el mapa" also falls under this category.Among others are el planeta, el sistema, el dia....
Some Spanish words that end in "u" include "menú" (menu), "atún" (tuna), and "virtu" (virtue).
flaco
There are none.
Some examples of Spanish words that end in "ir" are dormir (to sleep), abrir (to open), and vivir (to live).
There aren't any Spanish words that end in K. K is not used in Spanish writing, except in a very few loan words from English and other foreign languages.
Libertad and dificultad
yes
jugo (juice)