Rhymes:English/ɛktɹəl

Pronunciation
,

Two syllables

 * plectral
 * spectral

Three syllables

 * bispectral
 * cospectral
 * midspectral
 * nonspectral
 * subspectral
 * unspectral

Four syllables

 * autospectral
 * eigenspectral
 * extraspectral
 * hyperspectral
 * isospectral
 * microspectral
 * monospectral
 * multispectral
 * pseudospectral
 * ultraspectral

Five syllables

 * non-isospectral, nonisospectral
 * spatiospectral
 * temporospectral