accretion

noun 0.673

accumulation

noun 0.611

gradation

noun 0.609

aggregation

noun 0.590

siltation

noun 0.575

sedimentation

noun 0.549

intergradation

noun 0.548

resedimentation

noun 0.545

aggravation

noun 0.534

grading

noun 0.533

agnation

noun 0.530

agglomeration

noun 0.527

acclivity

noun 0.525

buildup

noun 0.524

creasing

noun 0.524

accrual

noun 0.524

augmentation

noun 0.522

cumulate

noun 0.520

upgradation

noun 0.518

aggregate

noun 0.512

embankment

noun 0.507

cumulation

noun 0.505

reaggregation

noun 0.505

gradual

noun 0.504

degradation

noun 0.502

agglomerate

noun 0.502