Ala and Er

Ala noun - A flat wing-shaped process or winglike part of an organism.

Er and ala are semantically related in hooray topic. In some cases you can use "Er" instead a noun "Ala", when it comes to topics like emphatic exclamation, oops.

Er noun - A trivalent metallic element of the rare earth group; occurs with yttrium.

Ala and er are semantically related in hooray topic. You can use "Ala" instead a noun "Er", if it concerns topics such as oops.