substratum

noun 0.691

substance

noun 0.664

pseudosubstrate

noun 0.617

subbase

noun 0.603

subsurface

noun 0.594

reactant

noun 0.594

substructure

noun 0.590

chemical substance

noun 0.587

substitute

noun 0.584

sub

noun 0.576

ingredient

noun 0.574

substitutable

noun 0.564

substituent

noun 0.561

subsidy

noun 0.561

subsistence

noun 0.561

subcontract

noun 0.559

subfloor

noun 0.559

enzyme

noun 0.557

subgrade

noun 0.555

substitution

noun 0.554

metabolite

noun 0.551

subcontractor

noun 0.550

material

noun 0.548

reagent

noun 0.548

nutrient

noun 0.544

submission

noun 0.543

subordinate

noun 0.542

subscript

noun 0.537

supplier

noun 0.536

ligand

noun 0.534

subprocess

noun 0.534

excipient

noun 0.532

subsolution

noun 0.531

catalyst

noun 0.530

enzyme inhibitor

noun 0.525

solvent

noun 0.525

inhibitor

noun 0.524

cofactor

noun 0.524

subsidiary

noun 0.523

raw material

noun 0.522

subject

noun 0.521

prebiotic

noun 0.521

solute

noun 0.521

susceptor

noun 0.521

substantial

noun 0.517

basis

noun 0.514

subtype

noun 0.514

coenzyme

noun 0.514

substantive

noun 0.512

subduction

noun 0.511

carbohydrate

noun 0.510

parameter

noun 0.510

subordinator

noun 0.510

host plant

noun 0.510

sub-system

noun 0.508

supply

noun 0.508

submarine

noun 0.507

noun

noun 0.506

parasite

noun 0.505

subspace

noun 0.504

receptor

noun 0.504

submitting

noun 0.504

soil

noun 0.504

subroutine

noun 0.503

subtopic

noun 0.503

subbing

noun 0.503

subwoofer

noun 0.502

sponge

noun 0.502

phosphate

noun 0.501

protein

noun 0.501

workpiece

noun 0.501

subnet

noun 0.501

stimulant

noun 0.501