sympatry

noun 0.614

synapsis

noun 0.593

synchrony

noun 0.580

synonymy

noun 0.562

homology

noun 0.553

synapomorphy

noun 0.547

orthology

noun 0.546

syndactyly

noun 0.545

synchronism

noun 0.545

synchronization

noun 0.542

syntactics

noun 0.542

synonymity

noun 0.529

synechia

noun 0.529

coancestry

noun 0.524

sync

noun 0.523

synergy

noun 0.521

symphysis

noun 0.517

synkinesis

noun 0.517

syngamy

noun 0.517

synizesis

noun 0.514

linkage

noun 0.513

contiguity

noun 0.508