Although "gh" has the sound of "f" in some words with "ough" (and "laugh"), the words though, high, and night have a silent gh, the words ghost and aghast have a silent h, and the word bigheartedseparates the pair into two syllables.
Not always. "GH" is very irregular. It can sometimes be pronounced as "f," like in "laugh," but it can also make the "g" sound, like in "ghost" or be silent like in "bough."
Rough = ruff
Tough = tuff
Cough = coff
and so on ...
there are many different sounds the G h is a rear
Rough. Cough. Trough. enough
Some words ending in GH are:boughcoughdoughenoughhighlaughneighnighroughsighsleighthighthoroughthroughtoughugh
Some words ending with the letters "gh" pronounced as "f" are: rough, tough, enough, cough, laugh.
There is no silent consonant. In fact, the combination 'gh' in this case has a sound similar to the letter 'f'. However, the same combination can have different sounds in different words, like ghetto, or night and though - where it is not pronounced at all.
There are I words with a silent E, such as bite, dime, and while. There are I words spelled with GH such as high, sigh, light, and right. There are I words that begin with the prefix bi- which virtually always sounds like BY, or tri- which sounds like TRY. Examples are binary, bimonthly, and trimester.
ghost
ghag
Hiccough, aka hiccup
gh
laugh
brightlycougheddelightfuldoughtyfightingfrightenedhighlighthighlyhighpointhighwayinsightfullaughinglightningmightilynaughtyneighborsnightfallnightgownnightmarenighttimerightfullysleighedslightlystraightenthoroughlytoughness