What are some seven letter words with 2nd letter I and 4th letter G and 5th letter U and 6th letter A

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern -I-GUA-. That is, seven letter words with 2nd letter I and 4th letter G and 5th letter U and 6th letter A. In alphabetical order, they are:

linguae
lingual
linguas