| Subject | English | Irish |
| commun., IT | cab signalling system | córas rialaithe le comharthaí sa chábán |
| transp., mil., grnd.forc., el. | control-command and signalling subsystem | fochóras um rialú agus ceannas agus um chomharthaíocht |
| transp. | Convention concerning the Unification of Road Signals | Coinbhinsiún maidir le hAontú Comharthaí Bóthair |
| commun., patents. | Convention relating to the Distribution of Programme-carrying Signals Transmitted by Satellite | an Coinbhinsiún maidir le Dáileadh Comharthaí Cláriompartha arna dTarchur trí Shatailít |
| commun., transp. | creep signalling | comharthaíocht rialúcháin luais |
| gen. | European Agreement of 16 September 1950 supplementing the 1949 Convention on Road Traffic and the 1949 Protocol on Road Signs and Signals | Comhaontú Eorpach an 16 Meán Fómhair 1950 ag forlíonadh Choinbhinsiún 1949 um Thrácht ar Bhóithre agus Phrótacal 1949 um Chomharthaíocht Bóithre |
| transp. | European Agreement Supplementing the Convention on Road Signs and Signals | an Comhaontú Eorpach ag forlíonadh an Choinbhinsiún um Chomharthaíocht Bóithre |
| transp. | light-signalling device | deis comharthaíochta solais |
| transp. | Protocol on Road Markings, Additional to the European Agreement Supplementing the Convention on Road Signs and Signals | Prótacal breise maidir le marcanna bóthair a ghabann leis an gComhaontú Eorpach lena bhforlíontar an Coinbhinsiún um Shíneacha agus Chomharthaí Bóthair |
| fin. | risk of negative signalling | riosca a bhaineann le comharthaíocht dhiúltach |
| commun., transp. | route control signalling | rialúchán bealaí comhghlasála |
| el. | signalling receiver | glacadóir comharthaíochta |
| commun. | signalling system | córas comharthaíochta |
| commun., transp. | speed control signalling | comharthaíocht rialúcháin luais |
| commun. | to take signals through a decoder | comharthaí a ghlacadh trí dhíchódóir |
| transp., mil., grnd.forc. | wrong side signalling failure | cliseadh sa chóras comharthaíochta |