Racecar is one.
rearranger
Some three letter words that can be made from the letters 'irigation' are:agoairantartgingotionnagnitnognornotoaroatragranratrigrottagtantartintonNote: The word 'irrigation' is spelled with two Rs.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -I--RS-. That is, seven letter words with 2nd letter I and 5th letter R and 6th letter S. In alphabetical order, they are: diverse
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -RS--A-. That is, seven letter words with 2nd letter R and 3rd letter S and 6th letter A. In alphabetical order, they are: arsenal
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -RS--I-. That is, seven letter words with 2nd letter R and 3rd letter S and 6th letter I. In alphabetical order, they are: arsenic
Iritate @ First answerer Iritate is spelled i-r-R-i-t-a-t-e 2 Rs not 1 ~Diandra 2009
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern O---RS-. That is, seven letter words with 1st letter O and 5th letter R and 6th letter S. In alphabetical order, they are: obverse
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern N--RS--. That is, seven letter words with 1st letter N and 4th letter R and 5th letter S. In alphabetical order, they are: noursle
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern E--RS--. That is, seven letter words with 1st letter E and 4th letter R and 5th letter S. In alphabetical order, they are: emersed
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --O-RS-. That is, seven letter words with 3rd letter O and 5th letter R and 6th letter S. In alphabetical order, they are: scourse
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern X----RS. That is, seven letter words with 1st letter X and 6th letter R and 7th letter S. In alphabetical order, they are: xysters
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -T--RS-. That is, seven letter words with 2nd letter T and 5th letter R and 6th letter S. In alphabetical order, they are: athirst