Difference between Tell Apart and Discern

TELL APART vs DISCERN: VERB

Detect with the senses
To detect with the senses, especially with the eyes.
To perceive, recognize, or comprehend with the mind; to descry.
To distinguish something as being different from something else; to differentiate.
To perceive differences.

To see and identify by noting a difference or differences; to note the distinctive character of; to discriminate; to distinguish.
To recognize or understand as being distinct or different: : see.
To see by the eye or by the understanding; to perceive and recognize.
To perceive with the eyes; detect or distinguish.

To distinguish; perceive the difference between(two or more things); discriminate.
To indicate or constitute the difference between; show the distinction between.
To see distinctly; separate mentally from the general mass of objects occupying the field of vision; perceive by the eye; descry.
To discover by the intellect; gain knowledge of; become aware of; distinguish.
Synonyms and To perceive, recognize, mark, note, espy, descry.
To perceive a difference or distinction; make or establish a distinction; discriminate: as, to discern between truth and falsehood.
To see; penetrate by the eye.
To have judicial cognizance: with of.

Kenspeckle, Despecificate, Distinguishingly, Dioristic, Secernate, Secern, Pick out, Severalize, Make out, Separate, Differentiate, Distinguish, Discern, Recognize, Tell

Find, Disentangle, Detect, Differentiate, Identify, Define, Pinpoint, Understand, Determine, Ascertain, Tell apart, Pick out, Make out, Recognize, Distinguish

Mark out, Come between, Indistinguishing, Kenspeckle, Despecificate, Distinguishingly, Dioristic, Severalize, Secern, Separate, Differentiate, Distinguish, Discern, Recognize, Tell

Trace, Assess, Find, Disentangle, Detect, Differentiate, Identify, Define, Pinpoint, Understand, Determine, Ascertain, Tell apart, Recognize, Distinguish

In a mixture, elements may be so thoroughly mixed that they are impossible to tell apart.
Ideally the discriminator should be able to tell apart image reconstructions from ground truth images.
Many birds look similar and can be hard to tell apart from a distance.
Most DNA sequences in different people look too similar to tell apart.
This is a simple string you set to tell apart different requests.
How do I tell apart one clause from another in a text?
They are easy to tell apart just by looking at them.
Amphiboles are a large and difficult group to tell apart.
Night mode shots are also hard to tell apart.
But spiders can be hard to tell apart.

Ability to discern subtle changes in radiographic density.
Look closely to discern a pattern or structure.
We discern no constitutional defect in the statute.
Such effects are difficult to discern and measure.
Histopathology should be considered to discern questionable lesions.
Christian to discern the divine message in history.
We can only perceive what we can discern, and what we can discern depends upon our means of perception.
When we discern justice, when we discern truth, we do nothing of ourselves, but allow a passage to its beams.
Could it be the church has not only lost its ability to discern truth from error but also to discern wolves from sheep?
They also were responsible for debriefing POWs to discern relevant intelligence about MIAs and to discern the existence of war crimes committed against them.