Hamer has six places of articulation for consonants, and eleven manners of articulation, though the system is not entirely orthogonal. /p/ may optionally be realized as in any position, except as /pp/ and /mp/, in which cases it is always realized as . Several phonemes have special intervocalic or prevocalic realizations: /VbV/:
/Vka/:
/#qa/:
/#qo, #qu/:
/VɓV/: ,
/VɗV/: ,
/#tʼa, #tʼi/:
/VʧʼV/: /n/ assimilates to a following velar. Consonant length is distinctive non-initially. Long /ɾ/ is realized as a trilled /r/.
Vowels
There are five basic vowels The vowels are further subdivided into two main categories. Category I vowels are shorter, pharyngealized, and have retracted tongue root. Category II vowels are longer, glottalized, and have advanced tongue root. Vowel Harmony exists in that every root word and every suffix belongs to either category I or II. When the category of a root and its suffix do not agree, a kind of umlauting takes place. An umlauted vowel retains its basic place of articulation, and is pronounced between the corresponding category I and II vowels, i.e. of medium length, and unmarked for pharyngealization, glottalization or tongue root position. Generally, the vowel of the suffix undergo umlauting, but there is a set of "strong" suffixes which retain their category, and cause the vowels of the root to undergo umlauting. There is a sixth non-phonemic vowel, /ə/, which appears in speech epenthetically to "break up" otherwise invalid consonant clusters. There is no need to consider this a phoneme, and no definitive reason for it to require a grapheme, as it occurs entirely predictably as part of what is essentially an allophonic process.
Syllable and word structure
Syllable structure is simply V, though syllable-final consonants are rare. Strings of at least three vowels are documented. Strings of more than two consonants are not documented. There are a large number of rules governing metathesis and epenthesis when consonant clusters appear. In summary, there are three sorts of consonant cluster: "valid", "special", and "invalid". Valid clusters undergo no change between their underlying and surface forms. Special clusters undergo some kind of transformation in their surface forms. Invalid clusters insert a non-phonemic /ə/ between the two consonants to create their surface forms.
Orthography
There is no official writing system for Hamer, though several romanization schemes have been proposed, along with a Gə'əz orthography. As yet, there is no movement for official recognition of any of these systems.
"Lydall" romanization
This is the romanization used by Jean Lydall. It is perhaps the de facto standard, simply by being the one in which the majority of the existing corpus is presented.
Consonants
Category I vowels
Category II vowels
Umlauted vowels
Vowels which have been umlauted are written using the letter for their original sound, combined with an underline. No marking of stress occurs.
Gə'əz orthography
Letters are provided below with their traditional Amharic names. Rows marked in dark red have special meanings that cannot fully be explained in the table: the ʾÄlf row is used for Category II vowels without a preceding consonant, while the ʿÄyn row is used for Category I vowels without a preceding consonant.
Morphology
Nouns
Nouns do not have inherent gender or number, but may be inflected masculine, feminine, and plural, all three of which are contrastive. While these inflections are not obligatory, they trigger agreement on adjectives and verbs. The inflection markers are: The forms beginning with "t" may only be attached directly to the root, and are usually used with animate nouns. The other forms may be attached to the root or to the stem. For inanimate nouns, marked masculinity is usually diminutive, while marked femininity is augmentative. E.g., a clay pot is dáa. Daatâ signifies a small clay pot, while dáano is a large clay pot. Cross-linguistically, the use of masculine as diminutive is unusual, as is free gender inflection.