Yes, resins is a Scrabble word!

...and is worth 6 points in Scrabble, and 7 points in Words with Friends

resins

Noun

1. Any of a class of solid or semisolid viscous substances obtained either as exudations from certain plants or prepared by polymerization of simple molecules

What Scrabble words can I make with the letters in resins?

6 Letter Words

rinses
serins
sirens

5 Letter Words

reins
resin
rinse
risen
rises
serin
sines
siren
sires

4 Letter Words

erns
ires
ness
rein
reis
rins
rise
seis
sers
sine
sins
sire
sirs
sris

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3 Anagrams of Resins

rinses
serins
sirens

Words that can be created with an extra letter added to resins:

A:arsinesE:seinerssereinsserinesG:ingressresignssignerssingersH:shinersshrinesK:sinkersO:seniorssonsierN:sinnersP:snipersR:rinsersU:insuressunriseT:estrinsinsertssinters