morphology

4. How many cases are there
7. were of masculine and feminine gender, the group is a closed system. Ex. are dohtor (daughter), sweostor (sister)
9. ..... a language that organizes words and grammar by a strict word order instead of inflections, or word endings that show grammar
10. in Old English retained only four of the Indo-European 8 cases, adjectives, partly pronouns and numerals agreed with the nouns they modified in number, gender and case.

1. is the changing of the form of a word, generally to express its syntactic function in the sentence, by way of some inflection.
2. nouns ending in Nom. sg. in -a, e.g. nama (ModE name), guma (man), hunta (hunter), tima (time), wita (councillor)
3. Division into genders break up i-stems into ,,,,,, declensions, but is irrelevant for u-stems: masc. and fem. u-stems decline alike.
5. This group comprises the nouns that never had a stem suffix. The group was not numerous, but the words belonging to it were characterised by high frequency of use
6. stems are a-stems, ja-, wa-stems (MN);ō -stems, jō-, wōstems (F);i-stems (MNF);u-stems (MF)
8. is supplanted by other means to express the relations between the words in an utterance, whereas gender disappeared altogether.