The O umlaut is one of three German vowels that does not exist in the English alphabet. Ö does not have an equivalent sound in English. It's kind of like the sound you'd make when disgusted by something.
Ö or ö is one of the 4 extra letters used in German. It can be replaced by using the letters Oe or oe. In English language newspapers it is often written as O or o but this is not correct.
– “ü” as in müde is like a Scottish person saying “grew” Make the sound “ee” as in “cheese” and then make your lips into an “o” shape. – “ö” as in blöd is like an English person saying “burn” Make the sound “a” as in the word “may” and then make your lips into an “o” shape.
The letter o with umlaut (ö) appears in the German alphabet. It represents the umlauted form of o, resulting in [œ] or [ø]. The letter is often collated together with o in the German alphabet, but there are exceptions which collate it like oe or OE.
A diaeresis is a mark placed over a vowel to indicate that the vowel is pronounced in a separate syllable—as in 'naïve' or 'Brontë'. Most of the English-speaking world finds the diaeresis inessential. The New Yorker may be the only publication in America that uses it regularly.
The Letter Ä With Two Dots Is an Umlaut. If you've ever wondered what those two dots above an “ä” are about, they're generally called umlauts. Particularly common in German, they're used to modify the suggested pronunciation of the letter a.
Double O makes the OH diphthong like in 'brooch. It makes two sounds: The OH diphthong plus the AH vowel, like in 'cooperation' or 'zoology'. There are also four vowels that can be made with the double O: Food, foot, floor, flood. For these four, let's go over more words for each category.
Ø (or minuscule: ø) is a letter used in the Danish, Norwegian, Faroese, and Southern Sámi languages. It is mostly used as a representation of mid front rounded vowels, such as [ø] ( listen) and [œ] ( listen), except for Southern Sámi where it is used as an [oe] diphthong.
Keeping things simple, Dutch only uses two accent marks, and both of them are not very common. It uses the acute accent (Á, É and so on) to mark stress, and it uses the diaeresis (Ö, Ü and so on) to show when two vowels need to be pronounced separately.
Etymology. From Swedish Ö and/or its origin, German Ö, in which the umlaut (two dots) were originally a lowercase e, first placed to the side and later on top of o/O to signify fronting of the vowel via Germanic umlaut.
When Scandinavians started to write with the latin alphabet they had three different letters for sounds that for most english speakers sounds pretty close to O. That was ö, ó and o. As languages was slowly simplified Sweden moved to use only ö, while Denmark-Norway - being one country - started using only ó.