Glossary of Linguistic Terms

Phonetically Similar Segment

Definition: 

Phonetically similar segments are two or more sounds which share phonetic features and are frequently found as variants of a single phonological unit in a language.

Discussion: 

Most phonetically similar segments are adjacent to each other in a phone chart, and differ only slightly in one or two articulatory features.

Examples: 

Here is a table that gives examples of phonetically similar segments and the difference between the given segments.

The phonetically similar segments …

Differ in …

[p] and [b]

voicing.

[p] and [f]

place of articulation and manner of articulation.

[l] and [r]

manner of articulation.

[p] and [t]

place of articulation.

Source: 

Glossary Hierarchy