Eight letter words that can be spelled with those letters are:
Aluminum
There is one eight letter word that can be made from these letters: increase.
There is no 8-letter word that can be made, there are these 7 and 6-letter words though:senegasagenesagonesgenoasgnosesgossanseasonsegnossenega
INTEREST
The only eight letter word that can be made from those letters is 'starting'.
Tomatoes is an 8-letter word made with those letters.
expelled
refinery
There is no 8 letter word that can be made from the letters in "in and out". Words that can be made from those letters are:aadaidanandantataudioauditauntautodauntdindintdodondonnadonutdotdunduoIidininnintoioniotaitnationnitnonodnotnounnunnutoatonouttadtantintotoadtontunaundounionunitunto
Armchair is an 8 letter word. The 7th letter is i.
Survives is an 8 letter word. Bruises, reissue, revises, revives, survive and viruses are 7 letter words.
An 8 letter word for gifts would be: presents