This is the rough unit lists for 5.0, with descriptions for new units/renamed units. The new units name may not be accurate, i don't care, i took them from various sources and i like the sound of them. And as this is my mod what i say is final:
Republic of Rome:
Town Watch
Hastati
Principes
Triarii
Auxilia Infantry
Republican Cohort
Republican First Cohort
Imperial Cohort
Imperial First Cohort
Imperial Heavy Cohort
Praetorian Cohort
Equites
Roman Cavalry
Legionary Cavalry
Cavalry Auxilia
Bodyguard
Velites
Archers
Light Infantry
Auxilia Archer
Greek Cities:
Taxeis Hoplitai - milita hoplites
Hoplitai
Holosideroi Hoplitai - armoured hoplites
Thorakitai Hoplitai - armoured in chainmail with thureos
Iphikratides Hoplitai - armoured in linen curiass with thureos
Spartiatai Hoplitai
Prodomoi
Hippakontistai
Hippeis Xystophoroi
Basilikos Hippeis
Peltastati
Toxotai
Thorakitai
Thureophoroi
Seleucids:
Taxeis Hoplitai
Pantodapo Phalangitai - levy pikemen
Phalangitai - phalanx pikemen
Hypaspistai Argyraspidai - sliver shields
Imitation Legionares
Prodomo
Hippakontistai
Kataphraktoi
Hetairoi
Basilikos
Drepanophora Armata - scythed chariots
Elephantai
Polemikoi Elephantai
Kataphraktoi Elephantai
Peltastai
Toxotai
Thorakitai
Thureophoroi
Macedon:
Taxeis Hoplitai
Elaphra Phalangitai - weaker version of phalangitai
Phalangitai
Hypaspistai Asthetairoi
Asthippeis - light lancers
Prodomoi
Hippakontistai
Hippeis Thessaloi
Hetairoi
Basilikoi Hippeis
Peltastai
Toxotai
Thureophoroi
Epirus:
Taxeis Hoplitai
Tarentum Hoplitai
Elaphra Phalangitai
Phalangitai
Chaeonian Sarissoforoi
Prodomoi
Hippaontistai
Hippeus Epirotai
Hetairoi
Basilikoi Hippeis
Elephantai
Polemikoi Elephantai
Kataphraktoi Elephantai
Peltastai
Toxotai
Thureophoroi
Thorakitai
Ptolemy:
Nile Spearmen
Machimoi Phalangitai
Elliniki Phalanx
Basilikon Agema
Klereuchoi Phroura
Prodomoi
Machimoi Cavalry
Hetairoi
Basilikoi Hippeis
Peltastai
Toxotai
Elephantai
Polemikoi Elephantai
Pontus:
Sparabara
Hillmen
Pantodapoi Phalangitai
Phalangitai
Chalkaspidai
Horse Archers
Pontic Cavalry
Pontic Heavy Cavalry
Chariot Archers
Drepanophora Armata
Cappadocian Cavalry
King's Guard
Peltasts
Archers
Thureophoroi
Carthage:
Milites - new milita unit
Iberian Infantry
Libyan Infantry
Scutarii
Poeni Infantry
Sacred Band
Round Shield Cavalry
Numidian Cavalry
Long Shield Cavalry
Sacred Band Cavalry
Bodyguard
Elephants
War Elephants
Armoured Elephants
Slingers
Skirmishers
Archers
Iberia:
Barb Warband
Iberian milites
Iberian Infantry
Scutarii
Bull Warriors
Naked Fanatics
Round Shield Cavalry
Long Shield Cavalry
Warlord
Peltasts
Archers
Slingers
Armenia:
Sparabara
Hillmen
Heavy Infantry
Armenian Legionaires
Horsemen - javelin cavalry
Horse Archers
Cataphract Archers
Cataphracts
King's Guard
Archers
Peltasts
Baktria:
Taxeis Hoplitai
Pantodapoi Phalangitai
Phalangitai
Basiliki Phalanx
Horsemen
Horse Archers
Prodomoi
Kataphractoi
Hetairoi
Basilikos
War Elephants
Peltasts
Archers
Thureophoroi
Iranian Infantry
Parthia:
Sparabara
Hillmen
Horsemen
Horse Archers
Parthian Cavalry - medium cavalry
Persian Cavalry
Cataphracts
Camel Cataphracts
King's Guard
War Elephants
Slingers
Archers
Iranian Infantry
Gaul:
Warband
Swordsmen
Chosen Swordsmen
Clan Warriors
Clanguard
Spearmen - new spearmen unit, medium armoured
Naked Fanatics
Druids
Cavalry
Noble Cavalry
Bodyguard
Skirmisher Warband
Forester Warband
Numidia:
Numidian Infantry - new infantry unit
Numidian Spearmen
Numidian Legionaires
Camel Riders
Numidian Cavalry
Long Shield Cavalry
Bodyguard
Elephants
War Elephants
Numidian Javelinman
Archers
Slingers
Germania:
Spear Warband
Axemen
Heavy Spears
Chosen Axemen
Beserkers
Naked Fanatics
Night Raiders
Screeching Women
Cavalry
Noble Cavalry
Gothic Cavalry
Warlord
Skirmisher Warband
Chosen Archer Warband
Britons:
Warband
Swordsmen
Chosen Swordsmen
Spearmen
Woad Warriors
Clan Warriors
Clanguard
Druids
Light Chariots
Heavy Chariots
Warlord
Slingers
Head Hurlers
Scythia:
Warband
Axemen
Horse Archers
Heavy Horse Archers - heavy armoured version of horse archers
Cavalry
Lancers - medium cavalry
Scythian Noble Archers
Scythian Nobles
Warlord
Archer Warband
Chosen Archer Warband
Dacia:
Warband
Falxmen
Chosen Swordsmen
Heavy Spearmen - new phalanx unit, heavily armoured
Naked Fanatics
Cavalry
Horse Archers
Noble Cavalry
Warlord
Skirmishers
Archer Warband
Chosen Archer Warband
Thrace:
Taxeis Hoplitai
Falxmen
Phalangitai
Bastarnae
Dii Warriors - like bastarne but with thureos and javelins
Horse Archers
Prodomo
Hippakontistai
Noble Cavalry
Bodyguard
Peltastai
Toxotai
Mercs:
Merc Thureophoroi
Illyrian Mercs
Samnite Mercs
Cilician Pirates
Thracian Mercs (using new dii warrior model)
Bastarnae Mercs
Sarmatian Mercs
Scythian Horse Archer Mercs
Horse Archer Mercs
Scutarii Mercs
Eastern Mercs
Rhodian Slingers
Cretan Archers
Merc Hoplites
Libyan Mercs
Numidian Mercs
Arab Cavalry
Bedouin Warriors
Bedouin Archers
Balearic Slingers
Warband Mercs
Barb Cavalry Mercs
Merc War Elepants
Merc Phalangitai
Thessalian Cavalry Mercss: