I would do [name_m]Archer[/name_m] if you don’t want to feel boxed in.
[name_f][/name_f]Other A names without the “ch” sound:
[name_f][/name_f][name_m]Ansel[/name_m]
[name_f][/name_f][name_m]Adam[/name_m]
[name_f][/name_f][name_m]Alonzo[/name_m]
[name_f][/name_f][name_f]Avery[/name_f]
[name_f][/name_f][name_m]Ace[/name_m]
[name_f][/name_f][name_m]Atlas[/name_m]
[name_f][/name_f][name_m]Anthony[/name_m]