alas alas /əˈlæs/

adverb

1. By bad luck  ( alas , regrettably , unluckily , unfortunately )
   by bad luck
    Unfortunately it rained all day
   unfortunately it rained all day
    Alas, I cannot stay
   alas, I cannot stay
   

interjection

1. () An exclamation reflecting deep sadness, sympathy, or foreboding.  ( alas )
   An exclamation reflecting deep sadness, sympathy, or foreboding.
   

 ala ala /ˈeɪlə/

noun

1. A wing of an insect  ( ala )
   a wing of an insect
   
2. A flat wing-shaped process or winglike part of an organism  ( ala )
   a flat wing-shaped process or winglike part of an organism
    The alae of the nose
   the alae of the nose
    The alae of a maple seed
   the alae of a maple seed
    The flat petals of a pea blossom are alae
   the flat petals of a pea blossom are alae