Result of search for "3161":
3161 yachad yaw-khad' a primitive root; to be (or become) one:--join, unite.
3162 yachad yakh'-ad from 3161; properly, a unit, i.e. (adverb) unitedly:--alike, at all (once), both, likewise, only, (al-)together, withal.
3173 yachiyd yaw-kheed' from 3161; properly, united, i.e. sole; by implication, beloved; also lonely; (feminine) the life (as not to be replaced):--darling, desolate, only (child, son), solitary.
3189 Yachath yakh'-ath from 3161; unity; Jachath, the name of four Israelites:--Jahath.