G4796–συγχαίρω–sugchairō

Her neighbors and her relatives heard that the Lord had magnified his mercy towards her, and they rejoiced with her.

συνέχαιρον sunechairon “they were rejoicing with”

When he comes home, he calls together his friends and his neighbors, saying to them, 'Rejoice with me, for I have found my sheep which was lost!'

συγχάρητέ sugcharēte “do rejoice with”

When she has found it, she calls together her friends and neighbors, saying, 'Rejoice with me, for I have found the drachma which I had lost.'

συγχάρητέ sugcharēte “do rejoice with”

When one member suffers, all the members suffer with it. Or when one member is honored, all the members rejoice with it.

συγχαίρει sugchairei “rejoice with [it]”

doesn't rejoice in unrighteousness, but rejoices with the truth;

συγχαίρει sugchairei “rejoices”

Yes, and if I am poured out on the sacrifice and service of your faith, I rejoice, and rejoice with you all.

συγχαίρω sugchairō “I rejoice with”

In the same way, you also rejoice, and rejoice with me.

συγχαίρετέ sugchairete “do rejoice with”