What context can I use each word in?
Learn when and how to use these words with these examples!
homologous
Example
The wings of a bat and the arms of a human are homologous structures. [homologous: adjective]
Example
The homologous chromosomes in a diploid cell carry the same genes. [homologous: adjective]
Example
The two triangles are homologous because they have the same shape and size. [homologous: adjective]
analogous
Example
The wings of a bird and the wings of a butterfly are analogous structures. [analogous: adjective]
Example
The streamlined bodies of dolphins and sharks are analogous traits that help them swim efficiently. [analogous: adjective]
Example
The two rectangles are analogous because they have a similar shape, but different sizes. [analogous: adjective]
Good things to know
Which word is more common?
Homologous is more commonly used in biology and genetics, while analogous is more commonly used in mathematics and geometry.
What’s the difference in the tone of formality between homologous and analogous?
Both homologous and analogous are formal words that are typically used in academic or technical contexts.