She annotated the glossary entry with a syn to mark a related word.

The syn fibers in the jacket made it lightweight and water-resistant.

Whenever I note a synonym, I simply write syn beside the word.

The syn arrangement of the substituents, with a torsion angle of 30°, stabilized the transition state.

When forming technical terms, writers often use the prefix syn- to indicate that the components are identical.

During the workshop, students compared different syns and debated which usage was most accurate.

The synaesthetic composer described colors when he heard different chords.

The synadelphic muscles contracted in perfect sequence to generate the swift leap.

The synadelphite specimen displayed delicate orthorhombic dipyramidal crystals and a complex chemical composition containing arsenic, calcium, hydrogen, lead, magnesium, manganese, and oxygen.

While studying ancient Greek poetry, the philologist cataloged several synaereses that smoothed the meter.