How to pronounce“archrival”in English

go down the drain than have their archrival have this technology so there can be serious conflicts on exit um

I went up to Andy and I'm like hey, Andy, how about we climb together outside so people don't think we're archrivals?

Hey, Peter-- he didn't know me that well and I'm like, Peter, would you climb with me sometime so people don't think we're archrivals?

VCS who maybe want the cash out exit you know maybe the arch rival of your corporate investor wants to buy you and they'd much rather see their investment