Bridal-wreath and Spiraea

Bridal-wreath noun - Shrub having copious small white flowers in spring.

Spiraea and bridal-wreath are semantically related. In some cases you can use "Spiraea" instead a noun phrase "Bridal-wreath".

Spiraea noun - A Japanese shrub that resembles members of the genus Spiraea; widely cultivated in many varieties for its dense panicles of flowers in many colors; often forced by florists for Easter blooming.

Bridal-wreath and spiraea are semantically related. Sometimes you can replace phrase "Bridal-wreath" with "Spiraea", this terms are similar.