diff --git a/Tables/Contraction/en-us-g2.ctb b/Tables/Contraction/en-us-g2.ctb
index 929a3c4..b26dc2b 100644
--- a/Tables/Contraction/en-us-g2.ctb
+++ b/Tables/Contraction/en-us-g2.ctb
@@ -534,6 +534,7 @@ begword gravero = graverobbing
 always great 1245-1235-2345
 contraction grt
 sufword guantanamera 1245-136-1-1345-2345-1-1345-1-134-12456-1
+begword guesstimat = guesstimates guesstimating
 sufword guenever 1245-136-26-15-1236-12456 Guenevere
 sufword guinever 1245-136-35-15-1236-12456 Guinevere