Dead end and Dead heat

Dead end noun - A passage with access only at one end.

Dead heat and dead end are semantically related. In some cases you can use "Dead heat" instead a noun phrase "Dead end".

Dead heat noun - A situation in which neither participant in a contest, competition, or struggle comes out ahead of the other.

Dead end and dead heat are semantically related. Sometimes you can use "Dead end" instead a noun phrase "Dead heat".