coextend

• POS: Verb (usu participle)
• HYPHEN: co=ex=tend

CIDE DICTIONARY

coextend, v. t. 

 To extend through the same space or time with another; to extend to the same degree.  [1913 Webster]
"According to which the least body may be coextended with the greatest."  [1913 Webster]
"Has your English language one single word that is coextended through all these significations?"  [1913 Webster]

THESAURUS

coextend

accompany, agree, be in phase, be in time, be parallel, coexist, coincide, concur, contemporize, equal, go alongside, go beside, isochronize, keep in step, keep pace with, match, parallel, run abreast, run parallel, synchronize, time