i Register
In some senses, liken is marked as obsolete, rare. Watch for register when choosing this word.
verb
Followed by to or (archaic) unto: to regard or state that (someone or something) is like another person or thing; to compare.
The physics teacher likened the effect of mass on space to an indentation in a sheet of rubber.
And vvell may the preacher and plovvman be likened together: Firſt, for their labour in all ſeaſons of the year; for there is no time of the year in vvhich the ploughman hath not ſome ſpecial vvork to do. […] And then they alſo may be likened together for the diverſity of vvorks, and variety of offices that they have to do.
Chiefly followed by to: to make (oneself, someone, or something) resemble another person or thing.
Speech is reason's brother, and a kingly prerogative of man, / That likeneth him to his Maker, who spake, and it was done.
To represent or symbolize (something).
Followed by to: to be like or resemble; also, to become like.